H2O Ninja Interval Waterproof Headphone System

The H2O Audio Interval Waterproof Headphone System is designed to help swim longer and train harder by providing the soundtrack to a swim session. It is made to fit an Apple iPod shuffle 2nd generation portable music player. It is used by gold medal swimmers Natalie Coughlin and Michael Phelps. The headphones attach to practically any swim goggle making it a low profile, hassle-free way to stay motivated. The control pad allows for functional control of the portable music player. The Interval Headphone System includes 5 sets of Elastomer earplugs and a sleek waterproof case.