Ultimate Ears Boom 4 Black

Ultimate sound: the boom 4 portable waterproof bluetooth speaker delivers rich, 360-degree sound and deep, accurate bass, all carefully balanced so you can hear every note Powered for adventure: this waterproof portable speaker has a rechargeable battery that stays powered, pumping tunes for 15 hours on a single charge A bluetooth waterproof speaker made for the outdoors: rated ipx7 waterproof and drop-proof up to 1.5 metres (15 feet ), the boom 4 floating bluetooth speaker is virtually indestructible Party up: use partyup on the ultimate ears boom app to pair several boom, megaboom, everboom, epicboom, and hyperboom portable bluetooth speakers, creating the ultimate surround sound experience