This headset is specially designed for use during exercise. The shape because it will not fade or earbuds fall out. The Sports Headset includes an internal battery that can be recharged via the included USB cable. The headset includes a MicroSD card slot so you can put your own music on the memory card and can play off. (MicroSD card not included)
The headset contains a number of buttons such as next track, previous track, volume louder or softer. Plays .MP3 and WMA files on a MicroSD memory card up to 8GB.