Normal Mode
Click: Pause, play music, answer an incoming call, or hang up a call.
Double-click: automatically make the last call.
Press and hold: reject the incoming call.
Connecting the ByteEngine Translator APP mode
Click: Record Voice.
Multi-Person Call Mode
During a call, click: Pause the current call and accept the new call.
Click when you receive a new call: pause the current call and switch to the previous call
Press and hold:
(1) Reject the new call.
(2) Hang up the current call after answering a new call in multi call mode.
