This mixer is a multi- 8-channel mixer with a sound card, which can meet the needs of users' home music production, net-work live broadcast, K song cover and so on. The mixer is equipped with input gain and high and low bass adjustment, built-in 48V phantom power supply for direct power supply of condenser microphones, high-definition headset output port, MP3 player, Bluetooth receiver, with connected PC sound card. Built in reverb effect, stage equalization regulate, by adjusting knob to adjust the reverb depth and delay effect.It is small and light, and can be directly connected to the USB port of the PC for power supply. No additional power supply is required. Colour:Black Material:plastic Size:40x3.7x34cm Package Contents: 1 x CT80 Professional Audio Mixer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.