4 Channel Audio Mixer Console with 2 Wireless Microphones.The mixer adopts double-panel patch technology, which has lower noise and higher quality. Non-market general plug-in technology is comparable. 2.The true pressure limit function, the imported potentiometer fader, the self-locking button, these functions and the use of imported materials provide a guarantee for the sound quality, performance and stability of our mixer. We have always insisted on high performance and high quality. 3.It can be directly connected to the device interface with USB, the LCD large bubble wood clearly displays the song playback status, with a recording function, and can also be connected to a recorder to play audio 4.Built-in Bluetooth function, the mobile phone can open the Bluetooth search and link. Built-in two UHF professional wireless microphones .