* Mini HIFI BT power amplifier supports BT wireless connection, compatible with mainstream smart phone, Tablet PC, etc.* Dual Microphone input, suitable for home entertainment, broadcast notification, meeting, training and more.* Can read U disk and SD card, plug and play. FM radio function enrich your spare time to enjoy many radio programs.* Treble, bass and volume adjustment buttons for easy operation. With remote controller, full-featured remote control is supported.* Supports DC12V / AC90-240V power supply, suitable for home and car use. Left and right channel output, rated power 30W + 30W.