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. 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 includes: 1 x Mixing Console