On/Off Button
Hold on 3s: Turn on/off (Indicator light on Blue means turned off; Light on Red means turning off; Flash in Red and Blue means in BT pairing mode)
Click Once: Play/Pause/Answer/Hang Up
Hold on 1s: Reject
Double Click: Redial
Volumn UP(Next Track) Button
Click Once: Volumn UP
Hold on 1-2s: Next Track
Volumn Down(Previous Track) Button
Click Once: Volumn Down
Hold on 1-2s: Previous Track
dB Adjustment button
Click Once: ANC On/Off
Hold on 1-2s: 85/94dB (Default 85dB Mode on setup)

