Support reading MP3 in TF card and U disk. Support adjustment of treble, bass and master volume. Dual microphone input, adjustable reverb, built-in Bluetooth and FM radio. Mit Audioeingang, kann an Computer, Telefon oder CD angeschlossen werden. Plug Type: EU Plug, it applies to Indonesia, Germany, France, , Italy and so on. Voltage: 220V size:17.5 x 8cm Material: iron colour: As shown Package Contents: 1 x Amplifier board 1 x speaker wire 1 cord 1 x DC line 1 x 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.