Features: * bluetooth connection, fast playback. Built-in bluetooth module, supports wireless fast connection of electronic devices, and supports most of the digital products with bluetooth on the market. * Built-in receiver, automatic frequency pairing, multiple frequency channels, fast and stable signal transmission. * The high, middle and low bass can be adjusted independently, with delicate control and professional tuning, making the sound more beautiful and in-ear. * Real-time monitoring, keep abreast of changes. You can hear the sound feedback in real time by plugging in the headphones, grasp the sound changes at any time, and be more comfortable with adjustment. * dsp chip, intelligent audio processing, can effectively reduce audio noise, improve sound quality, beautify sound quality. * One-to-two wireless microphones, accurate pickup, clean sound quality, and beautiful vocals. * Strong compatibility, including but not limited to connecting to computers, electronic organs, headphones, power amplifiers, U disks, drawbar speakers, etc. Specification: Name: 4 Channel Mixer Power: 110-240W Interface: Type-C Size: 145*183*50mm Number of microphones: 2Pcs Microphone size: 230mm Packing included: 1 * 4 Channel Mixer 2 * Wireless Microphone