■ Charge the battery
The headset has an internal, nonremovable, rechargeable 
battery. Do not attempt to remove the battery from the 
headset, as you may damage the headset.
1. Connect the charger to a wall outlet.
2. Connect the charger cable to the charger connector on
the headset. When the charging starts,
Charging
is
briefly displayed on the headset. During charging, a 
battery animation is displayed. 
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,
Battery full
and
are displayed. Disconnect the charger from the
headset and the wall outlet.
The fully charged battery has power for up to 8 hours of talk 
time or up to 110 hours of standby time. However, the talk 
and standby times may vary with different compatible 
G e t s t a r t e d
12
Bluetooth devices, usage settings, usage styles, and 
environments.
When battery power falls low, the headset beeps about 
every 5 minutes, and 
Battery low
is displayed. Recharge the
battery.