Sport MP3, Stylish, great-sounding headphone itself.
* Extremely comfortable and secure for the most mobile of users, bicyclist, runners, joggers, walkers etc.
* 2-8GB built-in memory can hold songs using WMA or MP3 files.
* Great quality, super bass dynamic stereo sound lets you immerse yourself in your music.
* Portable unique back-hang design
* Convenient for sport, high endless MP3
* USB 2.0 interface