1
2
3
4
No
Icon
Name
Mute
Volume
“+”
Volume
“-”
Microphone
Mute
Function
While playing music, short press to
pause or continue to play
Short press “+” to volume up;
Long press “+” for maximum volume
Short press “-” to volume down;
Long press “-” for minimum volume
While in a call, single press the button to
mute - Indicator changes to red
Single press the button again to unmute -
Indicator changes to blue (normal status)
2
Button Function
The LED indicator is red only when microphone is mute.
Under other status, the indicator is blue
