The Sony WF-C700N left earbud may have no sound due to several possible reasons:

1. Low Volume – The volume on the connected device may be too low.
2. Bluetooth Connection Issue – The earbud may not be properly paired. Resetting the Bluetooth connection by forgetting the device and repairing it can help.
3. Charging Issue – Dirty or corroded charging pins on the earbud or case may prevent proper charging. Cleaning the pins with alcohol can resolve this.
4. Software or Reset Issue – The earbud may need a reset. Placing both earbuds in the charging case, holding the reset button, and re-pairing can fix the issue.

Following these steps can help restore sound to the left earbud.

This answer is automatically generated

Summary of Contents for Sony WF-C700N

Page 1 To prevent burning or malfunction due to getting wet Download the app, and set up the headset To use all functions and improved performances, update the software of the headset and “Sony | Headphones Connect” app to the latest version. For details, refer to the following: https://www.sony.net/elesupport/...
Page 2: Related Information
Twist the headset unit to slide the earbud tip deep into your ear canal. Establishing a BLUETOOTH® connection The headset is turned on when the headset units are removed from the charging case. Follow the downloaded “Sony | Headphones Connect” app instructions. Operating the headset Press the button.
Page 3 Turning off the headset Making connections How to make a wireless connection to Bluetooth devices Easy setup with app Connecting with the “Sony | Headphones Connect” app Android smartphone Pairing and connecting with an Android smartphone Connecting to a paired Android smartphone...
Page 4 Using the voice assist function (Google app) Using the voice assist function (Siri) Using the apps What you can do with the “Sony | Headphones Connect” app Installing the “Sony | Headphones Connect” app Accessing support information from the “Sony | Headphones Connect” app...
Page 5: Troubleshooting
Precautions When you have finished using the headset Maintenance To prevent burning or malfunction due to getting wet When the headset units or charging case gets wet Licenses Trademarks Customer support websites Troubleshooting What can I do to solve a problem? Power/Charging Unable to turn on the headset.
Page 6 Earbud tips are damaged or lost. An earache occurs. Resetting or initializing the headset Resetting the headset Initializing the headset to restore factory settings Specifications Specifications 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 7: What You Can Do With The Bluetooth Function
You can enjoy music wirelessly from a smartphone or music player, etc. Talking on the phone You can make and receive calls hands-free, while leaving your smartphone or mobile phone in your bag or pocket. 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 8 In the factory settings, you will hear the English voice guidance via the headset. You can change the language of the voice guidance and turn on/off the voice guidance using “Sony | Headphones Connect” app. For more details, refer to the “Sony | Headphones Connect” app help guide.
Page 9: Checking The Package Contents
LL size: 5 lines Charging case (1) Note Earbud tips are consumables. If the earbud tips are damaged and need replacing, contact your nearest Sony dealer or purchase the EP-EX11 series , sold separately. May not be supported in some countries or regions.
Page 11 Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Replacing the earbud tips M-sized earbud tips come attached to the left and right headset units at the time of purchase. If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities, noise canceling effects, or call performance.
Page 13: Location And Function Of Parts
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Location and function of parts Headset Buttons (left, right) Microphones (left, right) Picks up the sound of your voice (when talking on the phone) and noise (when using the noise canceling function).
Page 14 Using the supplied USB Type-C cable, connect the charging case to a computer or to an AC outlet via a commercially available USB AC adaptor to simultaneously charge both the headset and the charging case. Related Topic About the indicator Checking the remaining battery charge 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 15: About The Indicator
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N About the indicator You can check various statuses of the headset/charging case by the indicator on the charging case. : Turns on in green / : Turns on in orange / : Turns on in blue / -: Turns off...
Page 16: Charging Status
“Initializing the headset to restore factory settings”. Related Topic Charging Checking the remaining battery charge What you can do with the “Sony | Headphones Connect” app Resetting the headset Initializing the headset to restore factory settings 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 17: Wearing The Headset
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Wearing the headset Put the headset units into both ears. Put the headset unit with the (left) mark into your left ear and the headset unit with the (right) mark into your right ear.
Page 18 Hint You can also play music, make and receive calls, etc. when only one headset unit is worn in your ear. Related Topic Replacing the earbud tips Using only one headset unit 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 19 Assigning functions to the buttons of the headset Depending on the headset unit you are wearing, some functions may not be available in the factory settings. In this case, you can change the function assignments to the buttons using the “Sony | Headphones Connect” app. Hint In the factory settings, the music playback function is assigned to the right headset unit.
Page 21 Hint You can change the function assignments to the buttons on the left and right headset units using the “Sony | Headphones Connect” app. For example, the music playback function that is assigned to the button on the right headset unit in the factory settings can be changed to the button on the left headset unit.
Page 23 Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Charging The headset and the charging case contain built-in lithium-ion rechargeable batteries. Use the supplied USB Type-C cable to charge the headset before use. Set the headset units into the charging case.
Page 24: System Requirements For Battery Charge Using Usb
It is recommended to charge in a place with an ambient temperature between 15 °C and 35 °C (59 °F - 95 °F). Efficient charging may not be possible beyond this range. If the problem persists, consult your nearest Sony dealer. If the headset is not used for a long time, the indicator (orange) on the charging case may not immediately light up when...
Page 25 Charging will not be properly completed when the charging case is connected through a USB hub. The headset and the charging case may become warm during charging or for a while after charging. However, this is not a malfunction. Related Topic About the indicator Checking the remaining battery charge 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 26: Available Operating Time
Max. 9 hours About 60 minutes of music playback is possible after 10 minutes charging. If you make the following settings on the “Sony | Headphones Connect” app, the available operating time of the battery becomes shorter than the ones described above.
Page 27 Related Topic Supported codecs About the DSEE function What you can do with the “Sony | Headphones Connect” app 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 28: Checking The Remaining Battery Charge
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Checking the remaining battery charge You can check the remaining battery charge of the rechargeable batteries of the headset and the charging case by the following operations. If the remaining battery charge of the headset becomes low when the headset is removed from the charging case or while using the headset If a warning beep sounds and the voice guidance says, “Low battery”, charge the headset as soon as possible.
Page 29 When using only one headset unit, the remaining battery charge of the headset unit you are using is displayed. You can also check the remaining battery charge of the headset unit and the charging case with the “Sony | Headphones Connect”...
Page 30: Turning On The Headset
By using the “Sony | Headphones Connect” app, you can set the time until the headset turns off automatically. You can also set the headset not to turn off automatically.
Page 31: Turning Off The Headset
To turn off the power before the headset turns off automatically, set the headset units into the charging case, and close the charging case lid. By using the “Sony | Headphones Connect” app, you can set the time until the headset turns off automatically. You can also set the headset not to turn off automatically.
Page 32 Charging Turning on the headset What you can do with the “Sony | Headphones Connect” app 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 33: How To Make A Wireless Connection To Bluetooth Devices
Connecting to a paired Android smartphone Connecting to a paired iPhone Connecting to a paired computer (Windows 11) Connecting to a paired computer (Windows 10) Connecting to a paired computer (Mac) Connecting to a paired Bluetooth device 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 34 Connecting with the “Sony | Headphones Connect” app Launch the “Sony | Headphones Connect” app on your Android smartphone/iPhone to connect the headset to a smartphone or iPhone. For more details, refer to the “Sony | Headphones Connect” app help guide.
Page 35: Pairing And Connecting With An Android Smartphone
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Pairing and connecting with an Android smartphone The operation to register the device that you wish to connect to is called “pairing”. First, pair a device to use it with the headset for the first time.
Page 36 You can remove the headset from the charging case after entering pairing mode. Unlock the screen of the Android smartphone if it is locked. Find the headset on the Android smartphone. Select [Settings] - [Device connection] - [Bluetooth]. Touch the switch to turn on the Bluetooth function. Touch [WF-C700N].
Page 37 If they are not connected, see “Connecting to a paired Android smartphone”. If [WF-C700N] does not appear on your Android smartphone screen, start the operation again from the beginning of step A Passkey may be called “Passcode”, “PIN code”, “PIN number”, or “Password”.
Page 39: Connecting To A Paired Android Smartphone
Check the connection status on the Android smartphone. If it is not connected, proceed to step Display the devices paired with the Android smartphone. Select [Settings] - [Device connection] - [Bluetooth]. Touch the switch to turn on the Bluetooth function. Touch [WF-C700N].
Page 40 As for the operations on your smartphone, refer to the operating instructions supplied with the smartphone. Related Topic How to make a wireless connection to Bluetooth devices Pairing and connecting with an Android smartphone Listening to music from a device via a Bluetooth connection Disconnecting Bluetooth connection (after use) 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 41: Pairing And Connecting With An Iphone
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Pairing and connecting with an iPhone The operation to register the device that you wish to connect to is called “pairing”. First, pair a device to use it with the headset for the first time.
Page 42 The headset does not enter pairing mode with the charging case lid closed. 0:00 The indicator (blue) on the charging case repeatedly flashes twice in a row and the headset goes into pairing mode. You can remove the headset from the charging case after entering pairing mode. Unlock the screen of the iPhone if it is locked.
Page 43 “Connecting to a paired iPhone ”. If [WF-C700N] does not appear on your iPhone screen, start the operation again from the beginning of step A Passkey may be called “Passcode”, “PIN code”, “PIN number”, or “Password”. About the instruction manual video Watch the video to find out how to perform pairing for the first time.
Page 44 How to make a wireless connection to Bluetooth devices Connecting to a paired iPhone Listening to music from a device via a Bluetooth connection Disconnecting Bluetooth connection (after use) Initializing the headset to restore factory settings 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 45: Connecting To A Paired Iphone
Check the connection status on the iPhone. If it is not connected, proceed to step Display the devices paired with the iPhone. Select [Settings]. Touch [Bluetooth]. Touch the switch to turn on the Bluetooth function. Touch [WF-C700N].
Page 46 As for the operations on your iPhone, refer to the operating instructions supplied with the iPhone. Related Topic How to make a wireless connection to Bluetooth devices Pairing and connecting with an iPhone Listening to music from a device via a Bluetooth connection Disconnecting Bluetooth connection (after use) 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 47 Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Pairing and connecting with a computer (Windows® 11) The operation to register the device that you wish to connect to is called “pairing”. First, pair a device to use it with the headset for the first time.
Page 48 When you pair a second or subsequent device (the headset has pairing information for other devices) Set the headset units into the charging case. Leave the charging case lid open. With the charging case lid open, press and hold the pairing button on the back of the charging case for about 5 seconds or more.
Page 49 To connect using the Swift Pair function Select [Connect] from the pop-up menu displayed on your computer screen. To connect without using the Swift Pair function Click the [Start] button, then [Settings]. Click [Bluetooth & devices]. Click the [Bluetooth] switch to turn on the Bluetooth function, then click [Add device]. Click [Bluetooth].
Page 50 “Connecting to a paired computer (Windows 11)”. If [WF-C700N] does not appear on your computer screen, try again from “To connect without using the Swift Pair function” of step A Passkey may be called “Passcode”, “PIN code”, “PIN number”, or “Password”.
Page 51 How to make a wireless connection to Bluetooth devices Connecting to a paired computer (Windows 11) Listening to music from a device via a Bluetooth connection Disconnecting Bluetooth connection (after use) Initializing the headset to restore factory settings 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 52: Pairing And Connecting With A Computer (Windows 10)
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Pairing and connecting with a computer (Windows 10) The operation to register the device that you wish to connect to is called “pairing”. First, pair a device to use it with the headset for the first time.
Page 53 When you pair a second or subsequent device (the headset has pairing information for other devices) Set the headset units into the charging case. Leave the charging case lid open. With the charging case lid open, press and hold the pairing button on the back of the charging case for about 5 seconds or more.
Page 54 To connect using the Swift Pair function Select [Connect] from the pop-up menu displayed on your computer screen. To connect without using the Swift Pair function Click the [Start] button, then [Settings]. Click [Devices]. Click the [Bluetooth & other devices] tab, click the [Bluetooth] switch to turn on the Bluetooth function, then click [Add Bluetooth or other device].
Page 55 “Connecting to a paired computer (Windows 10)”. If [WF-C700N] does not appear on your computer screen, try again from “To connect without using the Swift Pair function” of step A Passkey may be called “Passcode”, “PIN code”, “PIN number”, or “Password”.
Page 56 How to make a wireless connection to Bluetooth devices Connecting to a paired computer (Windows 10) Listening to music from a device via a Bluetooth connection Disconnecting Bluetooth connection (after use) Initializing the headset to restore factory settings 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 57 Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Pairing and connecting with a computer (Mac) The operation to register the device that you wish to connect to is called “pairing”. First, pair a device to use it with the headset for the first time.
Page 58 Leave the charging case lid open. With the charging case lid open, press and hold the pairing button on the back of the charging case for about 5 seconds or more. Note The headset does not enter pairing mode with the charging case lid closed. 0:00 The indicator (blue) on the charging case repeatedly flashes twice in a row and the headset goes into pairing mode.
Page 59 If they are not connected, see “Connecting to a paired computer (Mac)”. If [WF-C700N] does not appear on your computer screen, start the operation again from the beginning of step A Passkey may be called “Passcode”, “PIN code”, “PIN number”, or “Password”. Hint The operation above is an example.
Page 60 How to make a wireless connection to Bluetooth devices Connecting to a paired computer (Mac) Listening to music from a device via a Bluetooth connection Disconnecting Bluetooth connection (after use) Initializing the headset to restore factory settings 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 61 Check the connection status on the computer. If it is not connected, proceed to step Select the headset using the computer. Right-click the speaker icon on the toolbar, then select [Sound settings]. On the [Sound] screen, select [WF-C700N] for [Output] and [Input].
Page 62 If [WF-C700N] is not displayed for [Output] and [Input], proceed to step 3. Click [More sound settings]. On the [Playback] tab on the [Sound] screen, select [WF-C700N], right-click it, and select [Connect] from the displayed menu.
Page 63 You will hear a notification sound indicating that the connection is established from both headset units (or from the headset unit removed from the charging case when only one headset unit is removed) at the same time. On the [Recording] tab, select [WF-C700N], right-click it, and select [Connect] from the displayed menu. Hint The operation above is an example.
Page 64 How to make a wireless connection to Bluetooth devices Pairing and connecting with a computer (Windows® 11) Listening to music from a device via a Bluetooth connection Disconnecting Bluetooth connection (after use) Making a video call on your computer 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 65: Connecting To A Paired Computer (Windows 10)
Check the connection status on the computer. If it is not connected, proceed to step Select the headset using the computer. Right-click the speaker icon on the toolbar, then select [Open Sound settings]. From the [Choose your output device] drop-down menu, select [Headphones (WF-C700N Stereo)].
Page 66 If [Headphones (WF-C700N Stereo)] is not displayed on the drop-down menu, proceed to step 3. Click [Sound Control Panel], right-click on the [Playback] tab on the [Sound] screen, and check the [Show Disconnected Devices] checkbox. Select [Connect] from the displayed menu.
Page 67 You will hear a notification sound indicating that the connection is established from both headset units (or from the headset unit removed from the charging case when only one headset unit is removed) at the same time. Hint...
Page 68 How to make a wireless connection to Bluetooth devices Pairing and connecting with a computer (Windows 10) Listening to music from a device via a Bluetooth connection Disconnecting Bluetooth connection (after use) Making a video call on your computer 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 69 Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Connecting to a paired computer (Mac) Compatible OS macOS (version 11 or later) Before starting the operation, make sure of the following: Depending on the computer you are using, the built-in Bluetooth adaptor may need to be turned on. If you do not know how to turn on the Bluetooth adaptor or are unsure if your computer has a built-in Bluetooth adaptor, refer to the operating instructions supplied with the computer.
Page 70 Click [WF-C700N] on the [Bluetooth] screen while pressing the computer Control button and select [Connect] from the pop-up menu. You will hear a notification sound indicating that the connection is established from both headset units (or from the headset unit removed from the charging case when only one headset unit is removed) at the same time.
Page 72: Pairing And Connecting With A Bluetooth Device
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Pairing and connecting with a Bluetooth device The operation to register the device that you wish to connect to is called “pairing”. First, pair a device to use it with the headset for the first time.
Page 73 Perform the pairing procedure on the Bluetooth device to search for this headset. [WF-C700N] will be displayed on the list of detected devices on the screen of the Bluetooth device. If it is not displayed, start the operation again from the beginning of step Select [WF-C700N] displayed on the screen of the Bluetooth device for pairing.
Page 74 How to make a wireless connection to Bluetooth devices Connecting to a paired Bluetooth device Listening to music from a device via a Bluetooth connection Disconnecting Bluetooth connection (after use) Initializing the headset to restore factory settings 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 75: Connecting To A Paired Bluetooth Device
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Connecting to a paired Bluetooth device Remove the headset from the charging case. The headset turns on automatically. When the headset has automatically connected to the last connected device, you will hear a notification sound indicating that the connection is established from both headset units (or from the headset unit removed from the charging case when only one headset unit is removed) at the same time.
Page 77 Depending on the Bluetooth device, it may be necessary to adjust the volume or set the audio output setting on the device. If the function of the button is changed to [Volume Control] on the “Sony | Headphones Connect” app, you can adjust the volume with the headset.
Page 78 Using only one headset unit How to make a wireless connection to Bluetooth devices Controlling the audio device (Bluetooth connection) 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 79: Controlling The Audio Device (Bluetooth Connection)
Skip to the beginning of the previous track (or the current track during playback): Press the button 3 times quickly. If the function of the button is changed to [Volume Control] on the “Sony | Headphones Connect” app, you can perform the following operations using the button to which the function is assigned.
Page 80: Disconnecting Bluetooth Connection (After Use)
The headset turns off. Hint When you finish playing music, the Bluetooth connection may terminate automatically depending on the Bluetooth device. Related Topic Turning off the headset 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 81: Conditions Of Use
Download and use a music streaming service (charged) app that supports 360 Reality Audio on your smartphone or tablet equipped with iOS or Android. By optimizing the sound field and the acoustic feature of headset with the “Sony | Headphones Connect” app, you can enjoy a more realistic sense of reality.
Page 82 Ambient Sound Mode may not work properly or a beeping sound (feedback) may occur. If any of this is the case, remove your hand, etc. from the left or right microphone part. A: Microphones (left, right) Related Topic Using the noise canceling function 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 83: Using The Noise Canceling Function
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Using the noise canceling function If you use the noise canceling function, you can enjoy music without being disturbed by ambient noise. Remove the headset from the charging case. The headset turns on automatically.
Page 84 Mode with the “Sony | Headphones Connect” app. You can select one of the following on the “Sony | Headphones Connect” app to set how you want the functions to change when you press the button on the left headset unit.
Page 85: Listening To Ambient Sound During Music Playback (Ambient Sound Mode)
“Sony | Headphones Connect” app installed. You can select one of the following on the “Sony | Headphones Connect” app to set how you want the functions to change when you press the button on the left headset unit.
Page 86 ON or set the noise canceling function and the Ambient Sound Mode to OFF. Related Topic Wearing the headset Using the noise canceling function What you can do with the “Sony | Headphones Connect” app 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 87 About the sound quality mode The following 2 sound quality modes during Bluetooth playback can be selected. You can switch the settings and check the sound quality mode with the “Sony | Headphones Connect” app. Priority on sound quality: Prioritizes the sound quality.
Page 88: Supported Codecs
If the connected device supports a codec of higher sound quality than SBC, you may need to set the device beforehand to enjoy music with the desired codec from the supported codecs. Refer to the operating instructions supplied with the device regarding setting the codec. Related Topic About the sound quality mode 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 89 Sound sources compressed by streaming playback, MP3, Bluetooth transmission codec, etc. are played with natural and expansive sound. The DSEE function can be set up on the “Sony | Headphones Connect” app, and is only available when connected to the headset via a Bluetooth connection.
Page 90: Receiving A Call
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Receiving a call You can enjoy a hands-free call with a smartphone or mobile phone that supports the Bluetooth profile HFP (Hands-free Profile) or HSP (Headset Profile), via a Bluetooth connection. If your smartphone or mobile phone supports both HFP and HSP, set it to HFP.
Page 91 Even when the volume adjustment function has been assigned to the button with the “Sony | Headphones Connect” app, you cannot adjust the volume on the headset during a call. Adjust the volume on the connected device. If you are unable to adjust the volume on the connected device, adjust the volume in the “Sony | Headphones Connect”...
Page 92: Making A Call
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Making a call You can enjoy a hands-free call with a smartphone or mobile phone that supports the Bluetooth profile HFP (Hands-free Profile) or HSP (Headset Profile), via a Bluetooth connection. If your smartphone or mobile phone supports both HFP and HSP, set it to HFP.
Page 93 Even when the volume adjustment function has been assigned to the button with the “Sony | Headphones Connect” app, you cannot adjust the volume on the headset during a call. Adjust the volume on the connected device. If you are unable to adjust the volume on the connected device, adjust the volume in the “Sony | Headphones Connect”...
Page 94: Functions For A Phone Call
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Functions for a phone call The functions available during a call may vary depending on the profile supported by your smartphone or mobile phone. In addition, even if the profile is the same, the available functions may vary depending on the smartphone or mobile phone.
Page 95 End a call: Press the button twice quickly. Note When you are using only one headset unit, be sure to set the other headset unit into the charging case. Related Topic Using only one headset unit Receiving a call Making a call 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 96 [Headphones (WF-C700N Stereo)] may not be selectable on the speaker or microphone settings, and only [WF-C700N] may be displayed. If this is the case, select [WF-C700N]. As for frequently asked questions and answers, refer to the customer support website.
Page 97 The headset turns off. Hint When you finish playing music, the Bluetooth connection may terminate automatically depending on the Bluetooth device. Related Topic Turning off the headset 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 98 Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Using the voice assist function (Google app) By using the Google app that comes with the Android smartphone, you can speak to the headset’s microphones to operate the Android smartphone. Set the assist and voice input selection to the Google app.
Page 99 The Google app may not be activated depending on specifications of the smartphone or application version. The Google app does not work when connected to a device not compatible with the voice assist function. 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 100: Using The Voice Assist Function (Siri)
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Using the voice assist function (Siri) By using Siri that comes with iPhone, you can speak to the headset’s microphone to operate the iPhone. Turn Siri on. On iPhone, select [Settings] - [Siri & Search] to turn [Press Home for Siri] and [Allow Siri When Locked] on.
Page 101 Siri may not be activated depending on specifications of the smartphone or application version. 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 102 For details on the “Sony | Headphones Connect” app, refer to the following URL. https://rd1.sony.net/help/mdr/hpc/h_zz/ Hint The operation of the “Sony | Headphones Connect” app differs depending on the audio device. The app specifications and screen design may change without prior notice. Related Topic Installing the “Sony | Headphones Connect”...
Page 103 Checking the remaining battery charge About the DSEE function Using the noise canceling function Listening to ambient sound during music playback (Ambient Sound Mode) About 360 Reality Audio 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 104 WF-C700N Installing the “Sony | Headphones Connect” app Download the “Sony | Headphones Connect” app from the Google Play store or App Store, and install the app on your smartphone. For details on the “Sony | Headphones Connect” app, refer to the following URL.
Page 105 WF-C700N Accessing support information from the “Sony | Headphones Connect” app You can access the latest support information from the “Sony | Headphones Connect” app. Select [Help] on the “Sony | Headphones Connect” app screen. The [Headphones Connect Help] screen appears and support information is displayed.
Page 106 How to keep the software up-to-date (for comfortable use of the headset) If the latest software for your headset comes out, a notification will appear on the screen of the “Sony | Headphones Connect” app. Update the headset software following the on-screen instructions.
Page 108 Bluetooth wireless technology. However, depending on the configured settings and other factors, this security may not be sufficient. Be careful when communicating using Bluetooth wireless technology. Sony shall assume no responsibility for any damages or loss resulting from information leaks that occur when using Bluetooth communications.
Page 109: Other Notes
If water or foreign matter enters the headset, it may result in fire or electric shock. If water or foreign matter enters the headset, stop use immediately and consult your nearest Sony dealer. In particular, be careful in the following cases.
Page 110 Help Guide Wireless Noise Canceling Stereo Headset WF-C700N When you have finished using the headset When you have finished using the headset, be sure to set the headset units into the charging case. Close the charging case lid. Note If perspiration or water is left on the charging port, it may impair the ability to charge the headset. Immediately wipe off any perspiration or water on the charging port after use.
Page 111 Turn the microphone part or air hole part downward and gently tap it about 5 times on a dry cloth, etc. to remove any water collected inside. Leave the headset to dry in room temperature. 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 112: Maintenance
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Maintenance Perform regular maintenance by following the procedures below. Remove the earbud tip. Hold the headset unit and twist the earbud tip while rotating it to pull it out. Do not pinch the end of the earbud tip when removing it.
Page 113 Charging case B: Charging ports of the charging case (left, right) Cleaning of the sound output holes Wipe off any dirt such as earwax in the sound output hole or groove of the headset unit with a cloth that has been moistened with water and wrung out tightly.
Page 114 Set the headset in the charging case. After maintenance as well as after cleaning and drying the headset, be sure to set the headset units in the charging case. Be sure to close the charging case lid. 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 115 Help Guide Wireless Noise Canceling Stereo Headset WF-C700N To prevent burning or malfunction due to getting wet Be sure to clean after use Charging with liquid such as water or sweat or foreign objects such as dust attached to the USB Type-C port of the charging case or charging port of the headset may cause an accident such as burns or serious wounds due to fire, electrocution, heat generation, smoke, or ignition.
Page 117 The water resistant performance of the headset is based on measurements performed by Sony under the conditions described above. Note that malfunctions resulting from water immersion caused by customer misuse are not covered by the warranty.
Page 118 Turn the microphone part or air hole part downward and gently tap it about 5 times on a dry cloth, etc. to remove any water collected inside. Leave the headset to dry in room temperature. If the headset units and charging case are charged while they are wet with sweat, etc., the charging ports will corrode.
Page 119 If the headset is cracked or deformed, refrain from using the headset near water, or contact your nearest Sony dealer. 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 120 Apple is not responsible for the operation of this device or its compliance with safety and regulatory standards. This product contains software that Sony uses under a licensing agreement with the owner of its copyright. We are obligated to announce the contents of the agreement to customers under requirement by the owner of copyright for the software.
Page 121 USB Type-C® and USB-C® are registered trademarks of USB Implementers Forum. DSEE is a trademark or registered trademark of Sony Group Corporation or its affiliates. All other trademarks and registered trademarks are trademarks or registered trademarks of their respective holders.
Page 122: Customer Support Websites
Wireless Noise Canceling Stereo Headset WF-C700N Customer support websites For customers in the USA, Canada, and Latin America: https://www.sony.com/am/support For customers in European countries: https://www.sony.eu/support For customers in China: https://service.sony.com.cn For customers in other countries/regions: https://www.sony-asia.com/support 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 123: What Can I Do To Solve A Problem
This operation resets volume settings, etc. to the factory settings, and deletes all pairing information. Look up information on the issue on the customer support website. If the operations above do not work, consult your nearest Sony dealer. Related Topic...
Page 124 Reset the headset. Initialize the headset, and pair the headset and the device again. Related Topic Charging Checking the remaining battery charge Turning on the headset Resetting the headset Initializing the headset to restore factory settings 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 125: Charging Cannot Be Done
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Charging cannot be done. Common Make sure the headset units are stored securely in the supplied charging case. If the headset units are floating in the charging case, the headset units may not be charged.
Page 127 When the headset is left removed, the headset will not turn off until 15 minutes have passed after disconnecting the Bluetooth connection. The available battery operating time is shorter when talking on the phone than when listening to music. Related Topic Available operating time 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 128: Charging Time Is Too Long
Efficient charging may not be possible beyond this range. When using a commercially available USB AC adaptor, use one capable of supplying an output current of 0.5 A (500 mA) or more. Related Topic Charging 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 129 Related Topic Using only one headset unit How to make a wireless connection to Bluetooth devices Listening to music from a device via a Bluetooth connection Resetting the headset Initializing the headset to restore factory settings 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 130: Low Sound Level
In that case, turn up the volume of both the headset and the connected device. If the sound is still low even after adjusting the volume on the connected device, adjust the volume with the “Sony | Headphones Connect” app.
Page 131 Near such devices, the ultrasonic sound waves may cause noise or unusual sound to be heard from the headset. Leave the place where the noise or unusual sound is heard. Or turn off the noise canceling function/Ambient Sound Mode from the “Sony | Headphones Connect” app. Related Topic...
Page 132 Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Sound skips frequently. Set the headset to “Priority on stable connection”. For details, see “About the sound quality mode”. This issue can be improved by changing the wireless playback quality settings on the transmitting device. For details, refer to the operating instructions supplied with the transmitting device.
Page 133 Reset the headset. Initialize the headset, and pair the headset and the device again. Related Topic About the sound quality mode Resetting the headset Initializing the headset to restore factory settings 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 134 This sound notifies you that the setting has been changed. If you want to deactivate this notification sound, use the “Sony | Headphones Connect” app to turn the setting off. If you cover the microphone part on the left or right headset unit with your hand, etc., or if you grasp the headset unit in your hand, a beeping sound (feedback) may be heard.
Page 135 When the Adaptive Sound Control on the “Sony | Headphones Connect” app is turned on, the wearer's actions, like walking or running, are detected. The noise canceling function is automatically adjusted and the Ambient Sound Mode may be activated according to these actions.
Page 136 Initialize the headset, and pair the headset and the device again. Related Topic How to make a wireless connection to Bluetooth devices Replacing the earbud tips Resetting the headset Initializing the headset to restore factory settings 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 137: Unable To Make A Bluetooth Connection
Reset the headset. Initialize the headset, and pair the headset and the device again. Related Topic How to make a wireless connection to Bluetooth devices Resetting the headset Initializing the headset to restore factory settings 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 138 The headset cannot be operated. When you change the assignment of the functions to the buttons on the left and right headset units with the “Sony | Headphones Connect” app, confirm on the app that the correct functions are assigned to them.
Page 139 [Headset (WF-C700N Hands-Free)] . When the settings of the video calling application cannot be checked or calling connections [Headset (WF-C700N Hands-Free)] cannot be selected, select [Headset (WF-C700N Hands-Free)] on the settings of your computer to make connections.
Page 140 Wireless Noise Canceling Stereo Headset WF-C700N Earbud tips are damaged or lost. To change the earbud tips with new ones, purchase the EP-EX11 series (sold separately). May not be supported in some countries or regions. 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 141 Check that you are wearing the headset properly in your ears. If you wear the headset for a long time, your ears may start hurting. Use the headset while taking breaks periodically. Related Topic Replacing the earbud tips Wearing the headset 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 142: Resetting The Headset
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Resetting the headset If the headset cannot be turned on or cannot be operated even when it is turned on, reset the headset. Reset one of the headset units at a time.
Page 143 If the headset does not operate correctly even after resetting, initialize the headset to restore factory settings. About the instruction manual video Watch the video to find out how to reset. https://rd1.sony.net/help/mdr/mov0054/h_zz/ Related Topic Initializing the headset to restore factory settings 5-047-128-11(1) Copyright 2023 Sony Corporation...
Page 144: Initializing The Headset To Restore Factory Settings
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Initializing the headset to restore factory settings If the headset does not operate correctly even after resetting, initialize the headset. Set the headset units into the charging case. Leave the charging case lid open.
Page 145 This operation resets volume settings, etc. to the factory settings, and deletes all pairing information. In this case, delete the pairing information for the headset from the connected device and then pair them again. If the headset does not operate correctly even after initializing, consult your nearest Sony dealer. About the instruction manual video Watch the video to find out how to initialize.
Page 146: Specifications
Help Guide Wireless Noise Canceling Stereo Headset WF-C700N Specifications Headset Power source: DC 3.85 V: Built-in lithium-ion rechargeable battery DC 5 V: When charged using USB Operating temperature: 0 °C to 40 °C (32 °F to 104 °F) Charging time: Approx.
Page 147 11 iPhone XS Max iPhone XS iPhone XR iPhone X iPhone 8 Plus iPhone 8 iPhone 7 Plus iPhone 7 iPhone SE iPhone 6s Plus iPhone 6s iPod touch (7th generation) (As of January 2023) 5-047-128-11(1) Copyright 2023 Sony Corporation...

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