Features: The sound mixer can be controlled by linear audio input and can be connected to 2 sets of microphones. Dual Power Supply Modes - powered by 5V power bank(not included) or power adapter. Features separate reverberation effect and high/bass adjustment. Support functions of U-disk playing MP3 and recording, audio broadcasting, BT playing. With control panel, including knobs of previous music, pause, function switch, next music.Stable, lightweight, small and elegant, suitable for stage, families and KTV rooms, enjoy singing and have fun with it. Specifications: Plug Type: EU Plug, it applies to Indonesia, Germany, France, Spain, Italy and so on voltage: AC220V Material: plastic colour: B-White Package Contents: 1 x Stereo Mixer 1 x Power Adapter 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.