Detailed Product Description

Audio format:support mp3, WMA,ASF,WMV

2,USB disk:need not drive(except win98)

3,anto power off:auto power off within 30 sec

4,usb2.0

5,storage128m/256m/512m/1g/2g/4g

6,battery:built in lithium battery,display 6H

7,color:silver,red,blue,green and black

8,weight:20g