Ultimate Ears WONDERBOOM 

Enjoy your favorite tunes at home or at the pool with the compact WONDERBOOM Portable Bluetooth Speaker from Ultimate Ears. The water-friendly WONDERBOOM can float and is engineered with an IPX7 rating, which means it can be submerged in up to 3.3' of water for up to 30 minutes. In or out of the water, the WONDERBOOM is engineered to give you 360° sound via wireless streaming from compatible Bluetooth devices, such as a smartphone or tablet.