Waterproof Mp3 Player for Watersports and Shower Enthusiasts
I thought the sound was ok and the volume adjustment was good enough to hear well while swimming.    The controls are difficult to distinguish without a magnifying glass.  The black rubber cover has very small symbols for these functions cast into surface.  You have to feel around blindly to use the volume up/down, next/previous track, functions.  If you start the player, before you put your goggles on, it works ok.  If you want to change things you just have to feel around and start pushing the buttons or 