Intova H2O Man Waterproof MP3 Player with Headphones Waterproof MP3 player designed for swimming, running, surfing, and more Helmet-friendly MP3 player and headphones secure low to the back of the head All wires are concealed in the headphones; includes 3 sets of earbuds Supports microSD cards up to 8 GB; rechargeable lithium-ion battery 10 hours of playtime per charge; waterproof up to 3 meters; 1-year warranty