Steren AUD-770 Manual De Instrucciones página 18

Charge the battery
The headset has an internal, non removable, rechargeable battery.
Do not attempt to remove the battery from the device, as you may
damage the device.
1. Ensure that the is connected to the charger that is supplied with the
headset. If this is not the case, connect the one end of the adapter
cable to the charger cable.
2. Connect the adapter cable to the headset.
3. Connect the charger to a wall outlet or the car charger to the
accessory power outlet of your car. The blue indicator light is
continuously displayed during charging.
The headset is switched off and cannot be used during charging.
4. When the battery is fully charged, the blue indicator light switches
off. Disconnect the charger from the wall outlet or the accessory
power outlet and the headset. When you disconnect the power cord
of the charger, grasp and pull the plug, not the cord.
The fully charged battery has power for up to 5 hours of talk-time or
up to 100 hours of standby time. (In the standby mode, the headset is
switched on but no call is in progress.)
When the battery is running out of power, the red indicator light lights
up. Charge the battery.
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