Features: Professional 4 channel mixing consolewith LCD screen display, portable for convenient use, suitable for home karaoke, network live broadcast, music recording, etc. The mixer features 4 MIC/LINE(RCA) mono and 2 stereo input jacks, reverb and delay effect, AUX and EFF Send for optimal level adjustment and USB MP3 input interface. With GAIN, HIGH, MIDDLE, LOW, PAN and LEVEL knobs for separate control, powered by DC5V USB power supply or power adapter. Extremely rugged construction ensures long like even under the most demanding conditions, delicate appearance and smooth knobs more than. Other Features: Built-in +48V phantom power for condenser mics, USB interface for connecting MP3 player, also supports connecting with your smartphone via BT. Specifications: note: With the words "Professional Mixer" Plug Type: EU Plug, it applies to Indonesia, Germany, France, , Italy and so on voltage: AC220V size: 23 x 21 x 7cm Material: metal colour: white Package Contents: 1 x Sound Mixing Console 1 Adapter 1 x Multilingual manuals 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.