Support reading MP3 songs in TF card and U disk. Support adjustment of treble, and master volume. With AUX Audio input, can be connected to the computer, phone or CD. Dual microphone input, adjustable reverb, built-in Bluetooth and FM radio. Support Wireless Microphone Board (not include.) Rate Power: 100W Power output: 100W-300W Fit for Speaker 4-8 Ohm, Power less then 200W. Plug Type: EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC 220V Colour:black Material:plastic Package Contents: 3x Amplifier Board 3x Power Cable 3x Audio Cable 3x Remote control 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.