Marine-grade speakers in IP66 Patent Pending enclosure providing 100% waterproof, dirt proof and dustproof audio 500 watts of peak power output 8 marine grade speakers: 2 tweeters, 4 mid-range and 2 side mounted woofers Battery provides 20+ Hours of Playtime at typical volume levels Dedicated Battery Charger 12 volts / 2 amps Play time of 20 hours at normal volume, 7 hours at 75% volume Two internal independently sealed cavities for true left and right stereo sound Bluetooth 5.0 for long range reliable wireless connection to smartphone EcoCast allows up to 100 soundbars to be connected together or connect to any ECOXGEAR speaker with the EcoCast feature. Integrated on speaker controls: Power, mode (Bluetooth/FM/Aux in), volume, skip FWD/Back, Ecocast, lights, Bluetooth Built in microphone for speakerphone calls. Multi-color LED’s backlight all 8 speakers: chose from red, green, blue, white. Sync to music, solid color on or off. Rear Facing dual 160 Lumen LED light bar can be turned on separately from the speaker LED’s. LED light bar can be white, red or yellow. Waterproof Aux In connection port to play audio from a wired device Waterproof Aux out jack to daisy chain to other optional wired speakers Waterproof 5V USB charge out to give a boost to your phone or other devices Mounting brackets and integrated threaded mounting holes for multiple mounting configuration options 1 year warranty on parts and labor. Protected under patent US 9,307,307 B2 , 11,223,886 , D937244