soundcore Boom 3i｜Outdoor Speaker Pioneering Floating Playback: Stays upright and blasting crisp sound, even in waves. No distortion, no sinking, just loud, clear audio anywhere for you. IP68 Waterproof and Dustproof Rating: Built to survive the elements, this bluetooth speaker is fully waterproof and dustproof wherever you take it. 5x More Saltwater Resistant and Ultra-durable: Built for extremes, Boom 3i is 5 times more saltwater resistant than other similar speakers to protect against sea, sweat, and spray and prevent rust and corrosion. Double the Bass with BassUp 2.0: Enjoy 50W of powerful sound with bass as deep as 56 Hz. BassUp 2.0 and DSP technology deliver punchy lows and crisp highs for serious audio performance in a compact portable speaker. Smart Features and 16-Hour Playtime: Features Voice Amplifier, Emergency Alarm, Buzz Clean, and a detachable strap for hands-free fun. Get 16 hours of nonstop play and full control of your listening with the soundcore app....