With speaker,mini SD slot./Audio Format: MP3, WMA.

Video Format: AVI .Photo Format: JPEG,GIF./Display: 2.8 inch 262k colors LCD 
Built-in FM radio (87.5-108.0MHz)
Built-in games...Tele. book function, lyric synchronous display, A-B repeat

Multi-languages selection, multi-sound modes
Built-in rechargeable lithium ion battery, 6 hours playing time.Long time digital voice recording
Supports firmware upgradeable
Flash memory: 128M/256M/512M/1G/2G/4G optional
No Driver Required, Except Windows 98SE .Approval: CE, FCC, RoHS