This mixer is a multi-purpose with a sound card 4Channel mixer,Can satisfy the user's family music production,Live webcast,KSong cover and other needs. Product characteristics:The mixer is equipped,Input Gain and High Bass Adjustment,Built-in 48V Phantom power supply is suitable for direct power supply of condenser microphone,High Definition Headset Output Port,MP3 Player,Bluetooth reception,With connection PC Sound card. The mixer is small in size.,,Can be directly connected PC The USB Port power supply,No additional power supply required,Can be through USB Connect the computer to supply power to run,The trouble of using an external adapter is saved.,You can also use mobile power or USB AC/DCThe adapter powers it Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC 220V Model:V4 Colour:black + white Material:Metal+Plastic Package Contents: 1 x Host 1 cord plug 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.