1)Capacity: 128M/256M/512M/1G/2G.
2)Support MP3 & WMA audio formats.
3)Built-in rechargeable lithium battery.
4)Dimensions: 2. 8x4. 2x1. 2cm.
5)Weight: 20g
5)Operating System: Windows 98SE/ME/2000/XP/MAC OS
6)Color available: Black, blue, silver, pink, green.
7)USB Interface: USB 2. 0
8)USB flash disk function, high rate transmission.
9)Control your music with the simple button interface
10)Accessory: Manual, earphone, charger, USB cable, CD in gift box."