■ Charge the battery
This device has an internal, nonremovable, rechargeable battery. Do not
attempt to remove the battery from the device as you may damage the
device.
1. Connect the charger cable to the headset.
2. Connect the charger to a wall outlet. The red
indicator light is displayed during charging. It
may take a while before charging starts. If
charging does not start, disconnect the
charger, plug it in again, and retry. Charging the battery fully may
take up to 2 hours.
3. When the battery is fully charged, the red indicator light turns off.
Disconnect the charger from the wall outlet and the headset.
The fully charged battery has power for up to 5 hours and 30 minutes of
talk-time or up to 150 hours of standby time. However, the talk and
standby times may vary when used with different mobile phones,
products that use a Bluetooth connection, usage settings, usage styles,
and environments.
When the battery is running out of power, the headset beeps, and the
red indicator light starts to flash.