Ultimate Ears BOOM 3

Treat yourself to big, outdoor sound. Are you ready to play it loud? Really loud? Then you're ready for the Ultimate Ears BOOM 3. This waterproof portable Bluetooth speaker kicks out full-bodied sound at up to 90 dB. And it pumps out the music in a spacious, 360° soundfield. Not enough? You can sync up and play multiple BOOM 3 speakers simultaneously — up to 150. And there's more. The BOOM 3 is at home on the beach, on the slopes, and especially poolside. It's totally waterproof. The BOOM 3 can withstand submersion under three feet of water for up to a half hour (if you haven't found it by then, you probably never will). That waterproof seal also keeps out dust, dirt, and sand. And with a 15-hour built-in battery, the BOOM 3 might just outlast your party. The Ultimate Ears POWER UP charging dock is available for easier charging. The Ultimate Ears BOOM & MEGABOOM app gives you lots of options for your speaker. In the aptly named #PartyUp mode, you can stream simultaneously to up to 150 compatible Ultimate E...