Mr. Dj 15-Inch 2-Way Portable Speaker Built-in Wi-Fi/Bluetooth/USB/SD Card/FM Radio/EQ (PBX-2950WIFI) 15" Portable Speaker 2500 Watts P.M.P.O. 2" Voice Coil 1" Dome Driver, 50 Oz Magnet , RMS 350W Wi-Fi Technology, Bluetooth Technology Built-In MP3 Player, FM Radio Tuner USB/SD Card Inputs