Charge the battery
Before using the headset, you must charge the battery.
When the battery charge is low, the headset beeps every 5 minutes, and flashes on the display. When the battery is charging, the indicator light is on.
Plug the charger into a wall outlet.
Connect the charger cable to the micro-USB connector on the headset. The indicator light goes off when the battery is fully charged.
Unplug the charger from the headset, then from the wall outlet.
When you unplug a charger, hold and pull the plug, not the cord.
The fully charged battery has power for up to 7 hours of talk time, up to 7 hours of music playing time, or up to 150 hours of standby time.
Press . The battery level is shown on the display.
There is enough power.
You may need to recharge the battery soon.
Recharge the battery.