Nokia BH-300 ユーザーズマニュアル

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For availability of approved enhancements, please check with your dealer. 
When you disconnect the power cord of any enhancement, grasp and pull 
the plug, not the cord.
■ 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. When the back of the headset is facing you, detach the earloop from 
2. Connect the charger to a wall outlet.
3. Connect the charger cable to the 
headset.
The red indicator light is displayed 
during charging. If charging does not 
start, disconnect the charger, plug it 
in again, and retry. Charging the 
battery fully may take up to 
2 hours.
4. When the battery is fully charged, the red indicator light turns off. 
Disconnect the charger from the headset and the wall outlet.
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 or