Anker Boom 3i Portable Speaker

Floating upright design – stays facing up while in water IP68 waterproof & dustproof with saltwater resistance 50 W BassUpTM 2.0 audio with deep bass down to 56 Hz 16-hour battery life (mid-volume, lights off) Soundcore app support with 9-band EQ & lighting effects Special modes: Emergency alarm (96 dB) Voice amplifier (megaphone mode) Buzz Clean (vibrates to shake off dust/sand) Drop-tested rugged build with detachable strap Balanced sound quality with adjustable EQ