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. Supports functions of U-disk playing MP3 and recording, audio broadcasting, BT playing. With control panel, including knobs for previous music, pause, function switch, and 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 (applicable in countries such as Indonesia, Germany, France, Spain, Italy) Voltage: AC220V Material: Plastic Color: A-Black / B-White Package Contents: 1 x Stereo Mixer 1 x Power Adapter Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.