Support reading MP3 songs in TF card and U disk. Support adjustment of treble, bass 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.) Specification: Name: Amplifier Board Rate Power: 100W Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on vlotage:AC110-220V Colour: Material:Iron+PCB The actual product may have slight color difference or difference, which not affect the use Speaker cable color random, don't accept the specified color Package Contents: 1 * Bluetooth Amplifier Board 1 * Remote control 1 * Speaker cable 1 * DC connector 1 * Power supply cable 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.