- With Ambient Sound Mode you can still hear a degree of external sound so you can talk to a friend or trainer while listening to music
- Salt-water / dust proof (IPX65/68 rating) design for use with an increased range of sports
- 12 hours battery life
- All-in-one design MP3 Player
- The compact, head-hugging design provides a secure, comfortable fit – so your Walkman stays in place no matter what
Sony NWWS413 Waterproof Dustproof Walkman 4GB Cream NWWS413CCEW TV Audio Portable Audio Players