SONY Waterproof and dustproof Walkman with Bluetooth Wireless Technology NW-WS623 (Black)

Enjoy a 12-hour battery life. if you’re stuck for time, 3-minute quick charge for 60 minutes of playback

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

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.

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.