Redial the last call
Mute on/off
Double-press the Multifunction button in standby mode. The
mobile phone will redial the last call number.
Press the Volume "-" for about 2 seconds to mute on/off.
Voice dial
(Need phone support)
In standby mode Press the Multifunction button about 2
seconds,wait for phone prompt and then tell the phone to
dial the name of a stored contact.
Switch between the earphone and phone
Press the multifunction button for about 2 seconds during a
call, the call will be switched to the mobile phone, redo this
operation again, the call will be switched to the earphone.