SONY NW-WS623 Waterproof & Dustproof Walkman 4GB. Headphone-integrated Walkman corresponding to the various sports scene
4GB Sports Wearable MP3 Player, Waterproof: For use in salt & fresh water up to 2-meters (6.56 feet) deep, Sweat resistant, dust proof design endures through the toughest training conditions
designed for warable, ergononic, slim and light and stays in the place whatever your sport. builted ambient sounds modes will make you to missing a beat while you excercies.
Enjoy a 12-hour battery life. if you're stuck for time, 3-minute quick charge for 60 minutes of playback
Drag and drop all MP3s from iTunes, Windows Media Player or Internet Explorer and Multi-format playback(WMA, AAC-LC, or L-PCM) also lets you plays.