Resetting the headset
If the headset cannot be turned on, or if it cannot be operated even when it is turned on, connect the headset to a booted computer using the supplied micro-USB cable, then press the button and BASS EFFECT button simultaneously. The headset will be reset. Pairing information is not deleted.
To charge the headset after resetting, disconnect and reconnect the micro-USB cable.
If the headset does not operate correctly even after resetting, initialize the headset to restore factory settings.