1.Colorful 1.8 TFT or CSTN display (optional) 2.Support Skype phone (optional) 3.Support ASF,MP1,MP2,MP3,MP4, AVI,WAV,WMA, AMV,JPEG formats 4.Nice sound 5.Support multi-languages 6.Support synchronous lyric and ID3 display 7.Built-in microphone 8.Multiple repeat mode; 9.E-book, game 10.USB port, U-Disk function; 11.Built-in FM radio(optional) 12.Eternal voice recording, FM recording 13.Aluminum alloy body 14.Built-in Lithium Battery, 3.5-8 hours playing time 15.Built-in 128/256/512MB/1GB flash memory (optional) 16.Support Windows 98/2000/XP, Mac OS 10, Linux 2.4.2 17.Acessory: USB cable, installation disk ,stereo earphone, user manual and charger