Meet the Slive S-Bubble2: a waterproof Bluetooth speaker that floats, allowing you to enjoy your music or podcast program while taking a bath. It works with your smartphone over Bluetooth. It has colorful LED strip to light up the water. The device has a draining system that drains off water to avoid sinking.
The speaker uses AA batteries to work. It has a pretty compact design. It is expected to ship in 2016.