The basic operations of HM100P

Button

Function

Operation

MFB

Power on/off

Press and hold MFB for 4s.

Answer a call

(Calling Mode)

Press MFB once

Reject a call

Press and hold MFB for 2s.

End a call

(Calling Mode)

Press MFB once

Re-dialing

(Standby Mode)

Double click MFB

Play/pause music

Press MFB once

V+

Volume up

Press V+ 

V-

Volume down

Press V-