4
y
After the product is connected to the computer, it is automatically powered on.
y
After no operation within 30 min or no power supply, it is automatically powered off.
Button control
Press or hold
Volume up/down
Press
Answer/end calls
Press and hold for 2 s
Refuse calls
Press
Turn the microphone off or on
Press
Play/pause music
Light bar indicator status
The white indicator is on for 2 s.
The USB has been connected to the computer.
The green indicator flashes.
Calling
Some blue indicators are on.
Turn volume up or down.
They turn red.
Mute
The green indicator is on.
Press the power button to check the battery level.
