B a s i c u s e11Mute or unmute an ongoing callPress the power key briefly. When the call is muted, the red indicator light is showncontinuously.Switch between device and phonePress the call/end key for more than 1 second to switch the call between the deviceand the phone.Multiple callsTo make multiple calls, use the keypad of the phone.To answer a waiting call from the handsfree device, first end the active call;then answer the second call.■ Adjust the device volumeTo adjust the device volume, use the volume keys on the device or the keypadof your phone.■ Charge a compatible phone batteryYou can charge the batteries of compatible Nokia phones while using thehands-free device. Pull out the charger cable from the device, and connect itto the phone. When the battery is fully charged, disconnect the phone fromthe charger cable; press the cable release key on the device to retract the cable.