Anker Soundcore Boom 3i Compact Outdoor Speaker

"Industry-First Floating Playback: Stays upright and sound-forward, even in waves. No distortion, no sinking—just loud, clear audio for kayaking, pool parties, and every water adventure.
IP68 Waterproof and Dustproof: Built to survive the elements, this bluetooth speaker is fully waterproof and dust-tight. The ultimate outdoor speaker.
5x Saltwater-Resistant & Ultra-Durable: Built for extremes—5x saltwater-resistant against sea, sweat, and spray. Drop-tested from 3.28 ft (1 m). Perfect for beach days and boat rides, with no rust or corrosion. Tougher than most rugged outdoor speakers.
Double the Bass with BassUp 2.0: Pushes 50W of powerful sound with bass as deep as 56Hz. BassUp 2.0 and DSP tech deliver punchy lows and crisp highs. Serious audio performance in a compact portable speaker.
Smart Features and 16H Playtime: Get 16 hours of nonstop play and full control via app. Comes with Voice Amplifier, Emergency Alarm, Buzz Clean, and a detachable strap for hands-free fun—everything you need in reliable outdoor speakers.
Compact Water‑Bottle Size for Portability: About the size of a water bottle, Boom 3i slips into your backpack, clips to your gear, and fits comfortably in one hand for grab‑and‑go adventures."