Incredible Sound Loved by 20 Million+ People Extreme Outdoor Sound: Make a statement with Motion Boom outdoor speaker—press play and experience huge stereo sound that’s distortion-free, even at high volumes. 100% Pure Titanium: Motion Boom’s drivers have pure titanium diaphragms to reproduce high frequencies up to 40kHz for sound that has noticeably higher clarity. IPX7 Waterproof and Floats: Don’t freak out if Motion Boom outdoor speaker goes for a dip! It’s fully waterproof and floats on water. 24-Hour Playtime: Motion Boom outdoor speaker delivers up to 24 hours of playtime from a single charge to keep the music playing on camping weekends, days at the beach, boat trips, and more.