To answer a call: When a call is coming, the ring tone will be heard by headset, press "Power/Play/Phone" button once to accept the call or answer the call via your mobile phone.
Reject: Long press the "Power/Play/Phone" button to reject the incoming call.
To end a call: While speaking, press "Power/Play/Phone" button once to end the call or hang up on your mobile phone.
Cancel Dialing: Press the "Power/Play/Phone" button once when dialing to cancel the dialing.
Last Call Redialing: In stand-by mode, double press the "Power/Play/Phone" button to redial the last call.
