Features: Simple Operation: Works with computer, easy to operate, easy to process audio. Suitable for CD players, electronic organs, condenser microphones, musical instruments, microphones, speakers, etc. Wireless Connection: Built-in upgraded Bluetooth-compatible module, fully supports Bluetooth-compatible digital products such as mobile phones/tablets, without audio cable connection. USB Driver Playback: Support reading the audio in the USB flash disk. With LED display, you can switch tracks. Stereo Input & Output: With stereo channel input and output and other interfaces, the sound is well arranged, delicate and fuller.Three-Band Equalization: Each mono channel has a three-band equalizer, which is convenient for fine pitch adjustment of vocals/music. Notice: Actual color may be slightly different from the image due to different display and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Number of channels: 4CH Microphone: 2 Channel EQ: 2 Power consumption: 10W Effect: Delay Material: plastic bottom case Power supply: 5V power supply Color/Style: As the picture shown Size: 185*150mm Include: 1 x Mixing Console