1The mixer can be controlled by linear audio input and can be connected to 2 sets of microphones 2This console system come with independent reverberation effect and treble or bass adjustment 3Support U disk to play MP3 and recording, audio playback, BT playback and other functions 4Come with control panel, including previous song, pause, function switch, next song knob 5Stable, lightweight, compact and elegant, suitable for stage, family and KTV private rooms, suitable for people who like singing and having fun Item Type: Small Audio Mixer Colour: Black Material: Metal Plug and Voltage: US Plug AC100-240V Power Supply: 5V 1 x Mixing Console 1 x Charging Head 1 x Power Cord 1 x Double Headed RCA Connector 1 x 3.5mm to RCA Connector 1 x 3.5mm Female to Female Adapter 1 x User Manual 1. Do not insert your fingers into any gaps or openings in the device.2. Do not use at a high or uncomfortable volume level for a long time, otherwise may cause hearing damage.3. Manual measurement, there may be size error