1.Function: a)MP3/WMA player b)Built-in FM radio c)Line-in recording d>USB flash disk 2.Capacity:128MB/256MB/512MB/1G 3.LCD: OLED display 4.Transfers Speed:USB2.0 high speed 5.Working time: can work more than 10 hours after fully charged 6.Battery:built-in Lithium battery 7.Supported music format:MP3,WMA 8.EQ mode: 9.Repeat mode:repeat one, repeat all, Shuffle, preview 10.Operating system: Win98/ME/XP(no driver required if above Win98) 11.Languages:Chinese,English, Europe 12.ID3 tag information:synchronized display of song names and its related lyrics 13.Optional color: 14.Weight:g 15.Dimensions:mm 16.Acessories:earphone, line-in recording cable, USB line Lithium battery charger,driver CD, user manual and warranty card