1.Function: a)MP3/WMA/WMV/ASF/WAV/MTV player b)Built-in FM radio c)Line-in recording d)USB flash disk 2.Capacity:128MB/256MB/512MB/1G 3.65,000 pixles OLED color display 4.Transfers Speed:USB 2.0 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,WMV,ASF,WAV,MTV 8.EQ mode:7 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:blue, green, silver,red 14.Weight:43g 15.Dimensions:68*39*12.5mm 16.Acessories:earphone, line-in recording cable, USB line Lithium battery charger,driver CD, user manual and warranty card