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9
Volume button
Bluetooth button
Answer/End calls
Microphone Mute
PC Mode
Mobile Mode
Eco cancellation
Mode
Turn down/ up the volume
Turn on/off the Bluetooth
Answer/End calls
Turn on/off the Microphone
Press the volume up button and microphone mute
button at the same time for 5 seconds. Then, the
green light of the button indicator flashes for 3
times, it means entered the PC mode.
Press the volume down button and microphone
mute button at the same time for 5 seconds. Then,
the green light of the button indicator flashes for 5
times, it means entered the Mobile mode.
Press the answer/end calls button and microphone
mute button at the same time for 5 seconds, when
the green light of the button indicator flashes for 3
times and the microphone status indicator is green,
it means entered the echo cancellation mode; When
the green light of the button indicator flashes 3
times and the microphone status indicator is red, it
means to exit the echo cancellation mode
