1 Power on: Press and hold the power button of the microphone transmitter for 3 seconds to turn it on
2 Pairing: Automatically searches the receiver for pairing after booting (the receiver will be connected to your cellphone) - blue light flashes
3. Pairing successful : The blue light is always on
4. Power off: Press and hold the power button for 3 seconds, the indicator turns off
5. Mode switching: Short press the power button to switch to noise reduction mode (blue light), to the original sound mode (green light)
6. Silent mode: double click the power button, the red and blue lights flash to indicate the silent mode has been activated, double click the power button to cancel the silent mode