soundcore Anker Boom 3i by Anker Rugged 50W Outdoor Bluetooth Speaker – Sold by AnkerDirect UK / FBA

Pioneering Floating Playback:stays upright and blasting crisp sound, even in waves. No distortion, no sinking, just loud, clear audio for when youre kayaking, at a pool party, or enjoying an adventure in the water.
IP68 Waterproof and Dustproof Rating:Built to survive the elements, this bluetooth speaker is fully waterproof and dustproof to ensure it stays working like new wherever you take it. Its the ultimate outdoor speaker.
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. Its also rigorously drop tested to handle 1-metre (3.28 ft) drops and bumps with ease, making it perfect for beach days or boat rides and tougher than most rugged outdoor speakers.
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:Get 16 hours of nonstop play and full control of your listening with the soundcore app. Features Voice Amplifier, Emergency Alarm, Buzz Clean, and a detachable strap for hands-free fun. Upgrade your experience with reliable outdoor speakers.