Ultimate Ears BOOM 3 is a super-portable wireless speaker built for adventure. It rocks immersive 360° sound with deep bass, all carefully balanced so you can hear every note. But BOOM 3 also hangs tough. It’s seriously waterproof, dustproof, and drop proof which means you can bring vibes anywhere. From the desert festival to the pool party and everywhere in between. Plus BOOM 3 features the all-new Magic Button so you can play, pause and skip songs directly on the Bluetooth speaker. And it is wrapped in a stunning, high-performance fabric that shimmers. The ultimate go-anywhere speaker just got more ultimate. Maximum Sound Level: 90dBA.Frequency Range: 90Hz – 20kHz.