Another fantastic waterproof speaker this model is also wireless so you can leave it floating around the pool and control it with your music device from somewhere high and dry. No danger to your audio player - this wireless waterproof speaker has a signal range of about 50 meters so unless your pool is bigger than olympic size you will great sound anywhere in the water. Also works at the beach. One of the great features if this product is the exceptional sound generated. It has a large driver and 70mm waterprooof speaker which delivers signifcant sound volume, clarity and bass. Completely waterproof you'l get around 6 hours of pumping sound with the 6xAA alkaline batteries