1、Background music can be input through Bluetooth or line‑in, adjust the volume through the knob, Bluetooth switch function. 2、The volume and reverberation of the microphone can be adjusted by the knob. 3、The microphone adopts UHF band, and its working distance is above 25 meters/82ft. 4、Microphone and receiving box are made of aluminum alloy technology, which is not easy to damage and is high‑end and luxurious. 5、Support frequency conversion operation of professional microphone, microphone supports 25 channels to avoid interference signals anytime and anywhere. 6、Supported Mic Priority function, high sensitivity, when someone is speaking, the background music will automatically lower by half to highlight the human voice, when no human voice, the background music will return to normal. 7、Accurate tone picking and can perfectly reduce the noise brought by the environment, easy to show the voice.