1. Support reading MP3 songs in TF card and U disk. 2. Support adjustment of and treble. 3. Audio input:Bluetooth in/AUX in/USB/TF Card. 4. Audio output:1 and 1 Treble. 5. Rate Power:100W 6. With Dual Microphone input. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. voltage:AC110-220V Colour:black Material:iron DC cable and speaker cable colors are random, don't accept the specified color The actual product may have slight color difference or difference, which not affect the use Package Contents: 1 * Bluetooth Amplifier Board 1 * Remote control 1 * Speaker cable 1 * DC Power supply cable 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.