15W power output; 250W peak capacity; 6 high-efficiency woofer; Built-in Bluetooth(R) streams audio from compatible devices; Microphone, USB, microSD(TM) Card & aux inputs ; FM radio; Flashing lights change to the beat of the music; Microphone volume & echo controls; Freq resp: 30Hz-20kHz; Imp: 4ohm ; AC power supply: 110V-240V; Rechargeable lithium battery; Includes remote & microphone;