Video of RAM15BT : Features: Rockville RAM15BT 15 Rechargeable Powered 800W PA DJ Speaker and 2 Mics Bluetooth 15 Amplified Portable Pro Audio Speaker Power Ratings: 800 Watts Peak Power 400 Watts Program Power 200 Watts RMS Built-In USB (2.0)/SD/MMC/MP3 Inputs w/LCD Display (supports MP3 WMA WAV) Built-In FM Radio Tuner High Power Class A/B Amplifier Blue Tooth Pairing from External Music Source 5 Band Equalizer AUX RCA Line In/RCA Line Out 1 Mic Input (XLR) 1 Mic Input (1/4 ) Wireless VHF Mic Capability with 2 Wireless VHF Mics Included Microphone Range - 114 Ft. Built-In 12V-9AH Battery for Portability Speaker can play for 4-8 hours per charge depending on volume level Optional External Battery Connection for Extended Play Time AC Power Input with Built-in Battery Charger Built-In Wheels and Carry Handles for Easy Transport 80oz Magnet Motor Structure 4 Ohm 2 KSV High Power Voice Coil 34mm 8 Ohm Titanium Diaphragm Tweeter Unit Weight 49lbs Overcharge battery protection Owner’s Manual