Nokia BH 902 User Guide - Page 10

Get started 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 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. 10