Charging The Headset - Samsung HM3700 Owner's Manual

Charging the headset

This headset has a rechargeable internal battery which is non-removable. Ensure
that you fully charge the battery before using the headset for the first time.
1 Plug the small end of the travel adapter into the charger jack.
2 Plug the large end of the travel adapter into a power outlet.
During charging, the indicator light will turn red. If charging does not begin,
unplug the travel adapter and plug it in again.
3 When the headset is fully charged, the indicator light changes to blue. Unplug
the travel adapter from the power outlet and the headset.
•• Use only Samsung-approved chargers. Unauthorised or Non-Samsung
chargers may cause an explosion or damage to the headset and could
invalidate any warranty on the product.
•• Over time, after many charging and discharging cycles, battery
performance will diminish. This is normal for all rechargeable batteries.
•• Never make or receive calls while charging, always disconnect your
headset from the charger and answer the call.