Neptune was king of the sea according to Greek mythology, and the Finis Neptune waterproof audio player is thus fittingly named. It utilizes bone conduction to deliver sound to the audio canal so swimmers can get in tune with their strokes.
It offers 4GB of memory, an integrated OLED display, improved file transfer compatibility with iTunes and is waterproof to 3 meters (10 ft).
httpv://youtu.be/0Z12S23oHoc