Ultimate Ears BOOM 3 Portable Waterproof Bluetooth Wireless Speaker

Ultimate Sound: BOOM 3 delivers loud and immersive 360-degree sound with deep and accurate bass, all carefully balanced so you can hear every note. The maximum sound level is 90dBA
Powered for Adventure: Rechargeable battery stays powered and pumping tunes for 15 hours
Super-Portable and Durable: Waterproof + Floats and Virtually Indestructible. BOOM 3 can be totally submerged in up to 1 meter of water for up to 30 minutes
All-New Magic Button: Play, Pause, Skip and control any streaming music directly on the Bluetooth speaker with one touch of a button
PartyUp: Use the Ultimate Ears app to pair 2, 3, 4…and over 150 BOOM and MEGABOOM speakers together for the ultimate sound experience