USB
EXT
5
LED Status Indicator
Power status indicator
Working status indicator/
volume status indicator
Microphone
status indicator
Key indicator
Microphone Status
indicator
Working status indicator/
Volume status indicator
Red light on
Green light on
Red light on
Green light on
Green light flashing
Green light on
Microphone mute
Microphone working normally
Microphone mute
Microphone working normally/
The brightness of status LED will
increase or decrease with the
speaker volume up or down.
Speaker mute
Speakerphone working normally
Power status indicator
