Mr. Dj PBX3500BAT 15-Inch 3500-Watt Max Power Speaker with Built-In Bluetooth, Battery, FM Radio, EQ, LCD, MP3, USB and SD 15-Inch 3500 Watt Max Power Speaker with Built-In Bluetooth & Rechargeable Battery FM Radio/EQ/LCD/MP3/USB/SD 3500 Watts Max P.M.P.O. 4" Interleaved Sandwich Voice Coil 1" Dome Driver, 40 Oz Magnet Connection Option 1/4" Stereo Jack RCA Jack, Built-In Rechargeable Battery 12V MP3 Player, FM Radio USB/SD Card Input Microphone inputs, Graphic EQ, Guitar Input, Wireless Remote Control, Pair Wireless Microphones