Support reading MP3 songs in TF card and U disk.Support independent adjustment of treble, bass and master volume.Supports MP3/WAV format.Supports wireless microphone board(not included).Working voltage:AC 220V or DC 12V-24V.With AUX audio input, can be connected to the computer, phone or CD.Dual microphone input, adjustable reverb, built-in bluetooth and FM radio.Rate Power:100WPower Output:100W-300WFit for speaker 4-8 ohm, power less then 200W.Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on./EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on.Voltage:AC100-240VNote:The colors of some accessories are random and cannot be specified, which will not affect the use.Colour:BlackMaterial:Metal+Plastic Package Contents:1 x Amplifier Board1 x AC Power Cable1 x Audio Cable1 x Remote Control(1 x button battery not included)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.