1、Mini Mixer: Perfect for connecting multiple devices with 2 XLR inputs for microphones or guitars, 2 L R 6.35mm and 2 L R RCA stereo inputs for CD, keyboard, computer, 2 L R RCA outputs and 2 L R 6.35mm main outputs for speakers, amplifiers. 2、USB Recording: Built in sound card recording processor with USB B port allows connection to computers, phones, tablets, or external USB devices for mixing, recording, or playing music. Requires a USB to phone OTG adapter for phone connection. 3、MP3 Playback: Connect USB stick to mix and play MP3 music, also record sound to USB stick for output. Easily mix music wirelessly from phone, tablet, computer, and more BT devices with built in controls like play, pause, switching songs, modes. 4、Phantom Power XLR Inputs: High accuracy LED peak level indicators with 2 XLR inputs offering 48V phantom power, low noise distortion for use with condenser microphones. Built in 2 band EQ and gain control for easy adjustment of each channel's high and low frequencies, plus add effects like delay in mixing. 5、Versatile Mixer: Suitable for computer music recording, live streaming, podcasts, small band performances, online hosts, ZOOM meetings, weddings, etc.