Features:

* 2GB Memory built-in
* Stylish Sony shape, great-sounding headphone itself
* USB 2.0 Support audio format: mp3 / wma / wav
* + / - buttons for volume control
* Up / Down buttons for songs selection
* Pause / Play buttons
* Reset button
* Power: 2 x 10MW
* Style: Handsfree In-Ear
* Audio format: mp3/wma/wav
* S/N Ratio: >=86db
* Output Frequency: 20Hz - 20KHz
* Battery: Rechargeable Li-ion Battery
* Interface: USB 2.0, USB to PC charging cable is included
* OS: Windows 98/2000/XP
* Working temperature: -10~45 degree
* Lasting time: 4 hours
* Weight approx: 36 grams

Package Included:

1X 2GB Brand new sport MP3
1X USB cable & Wall charger