Operating Manual
Button and Indicator Light Status Description
Device Connection
(2)
Host
Bluetooth connection between devices
Bluetooth device
Host
Connect USB-C-to-A interface data cable
Bluetooth device
1.❸Bluetooth button light: When waiting for the Bluetooth connection, the blue light
flashes. The blue light is normally on when the Bluetooth is successfully connected. If
the Bluetooth is not connected within one minute and enters the sleep mode, the light
goes out. Press the Bluetooth button once to wake up the light.
2.❹Volume- light: The white light will be on once every time the volume- button is
pressed, and the white light will flash three times when the volume is gradually
adjusted to the minimum.
3.❺Mute button light: Press the Mute button, the red light will be normally on when
the microphone is mute; then press this button to unmute, and the red light will be off.
When USB wired connection is used, the white light of this button is normally on.
4.❻Volume+ button light: The white light will be on once every time the volume+
button is pressed, and the white light will flash three times when the volume is
gradually adjusted to the maximum.
5.❼Power-on/off off-hook / on-hook button light:
When you press and hold this button to start the machine, the white light of all the
button lights will be on once: when you press and hold this button to shut down the
machine, all the button lights will go out.
When your mobile phone is connected via Bluetooth, if you receive a call, press this
button to answer the call, or press and hold this button to reject the call, and press this
button during the call to end the call. The white light is normally on during a call, and is
off at the end of the call.
When the battery is low, the red light of this button will flash every few minutes to
prompt you to charge it.
6. ❾Charging indicator light: When the USB cable is connected to the USB input socket
of the host to charge the host, the red light of this light is normally on, and it will go out
when the host has been fully charged.
1. Bluetooth wireless connection to the host: When the product is turned on for the
first time, the blue light of the Bluetooth button flashes continuously, waiting for the
connection; when the host has been connected to the Bluetooth device successfully,
the blue light will become normally on. Press the Bluetooth button to disconnect the
current Bluetooth device.
2. USB wired connection to the host: When the machine is turned off, insert the USB
data cable to the USB input socket of the host and the USB interface of the computer,
and the machine will automatically turn on. When the indicator light of the mute button
is white and normally on, it indicates successful connection.






