Comsoon J22 - Bluetooth Receiver Manual

Table of Contents

Contents

1 Features
2 Specifications
3 Product Diagram
4 Charge the device
5 Pair with your Bluetooth enabled smartphones, tablets, etc.
6 Pair with second smartphones, tablets, etc.
7 Operations
8 LED Indicator
9 Auto-Connect
10 Auto Power Off
11 Trouble Shooting
12 Packing List
13 Documents / Resources
- 13.1 Download manual

Features

Pair with mobile phone/MP3/Tablet, etc. and turn your old car stereo/home stereo/3.5mm wired headphones into wireless.
Automatically connects to the last connected device.
Keep connecting to 2 Bluetooth devices at the same time.
The built-in microphone can be used to answer hands-free calls.
The latest noise cancellation technology provides excellent call quality.
The built-in battery has a long battery life of up to 16 hours.
Compatible with iOS and Android devices.
Bluetooth V5.0 with low power consumption.

Specifications

Bluetooth Version: 5.0

Frequency Range: 2.4GHz

Output Power Category: Class2

Bluetooth Mode: HFP/HSP/A2DP/AVRCP

Bluetooth Range: up to 33 feet

Battery: 250mAh

Working Current: 15-20mA

Charge Voltage: DC 5.OV

Charge Current: 100mA

Product Diagram

Charge the device

Please fully charge the product before first use, the indicator will stay red during charging, and turn off when finished.
When the device is in low power state, the indicator light will flash red, please charge it in time with DC 5V power supply input only.
(Do not use power supply higher than 5V)

information Note: Charge the product at least once every 3 months when not using for a long time.

Pair with your Bluetooth enabled smartphones, tablets, etc.

Power on the receiver, the indicator light flashes red and blue alternant, which means it's in pairing mode.

Turn on the Bluetooth function of your smart device, search for "J22" and connect.
Connect the product to the AUX INPUT port of your desired source, like headphone/home speaker or car stereo system with provided 3.5mm audio cable, or plug your old 3.5mm wired earphone into the device.
Now you can enjoy music wirelessly or answer hands-free calls.

Pair with second smartphones, tablets, etc.

After successfully pairing with the first smartphone, turn off the Bluetooth function of the first smartphone, and the product will enter the pairing mode again.
Turn on the Bluetooth function of the second smartphone, search for "J22" and connect.

Turn on the Bluetooth function of the first smartphone, select "J22" in your pairing history.
Now two smartphones have connected to the receiver at the same time.

Operations

Function	Operation
Power On/Off	Long press the "MFB" for 3 seconds
Play/Pause/Answer/Hang up	Press the "MFB" once
Reject a call	Long press the "MFB" for 2 seconds
Redial the last number	Press the "MFB" twice
Volume Up/Down	Long press the button
Next/Previous Song	Press the "+"/"-" button once

LED Indicator

Power On:	Indicator turns blue
Pairing:	Indicator flashes blue and red
Connected:	Indicator flashes blue once every 5 seconds
Battery Low:	Indicator flashes red
Charging:	Indicator stays red
Charging finished:	Indicator goes off
Power Off:	Indicator flashes red then goes off

Auto-Connect

The product will automatically connect to the last connected device, when next turned on. (Before turning on the Bluetooth receiver, turn on the Bluetooth feature of your smart device.)

Auto Power Off

The product will automatically power off if it is not connected to any Bluetooth device within 5 minutes.

Tips
When you hear the prompting voice - "Low battery, please charge", please use the included charging cable to charge.

Trouble Shooting

Q1: The product can't connect to Bluetooth enabled phone, MP3, etc.

Please make sure you have powered on the receiver, and the indicator light flashes red and blue alternant.
Clear the paring list of your Bluetooth enabled phone, MP3, etc. then try again.

Q2: The Bluetooth range or the sound quality is not good.
Bluetooth signal can be blocked by surrounding objects and reduce the audio quality, please put it in the right position without barrier between adapter and your phone (or other devices).

Q3: Your voice is not heard on the other end of the call.
Please make sure the 3.5mm plug is tightly inserted.
Method 1
Press the Multifunction Button to answer directly
Trouble Shooting - Method 1