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