1.With built-in FM transmitter, able to transmits wirelesssly mp3 signal to your car speaker and play. Frequency rang: 87.5MHz ~ 108.0MHz, 0.1 MHz interval 2.256MB-2GB flash memory built in, and Mini SD card slot let you expand memory freely 3.Mp3 playing,AMV file,browse JPEG,BMP,GIF pictures, record, repeat 4. Supporting MP1, MP2, MP3, OGG,WMA, WMV, ASF and WAV formats 5.Providing the latest d features via firmware upgrade from the website 6."Private Space" Disk Mode to keep your secret when others use the player 7.8 Pre EQ: Normal, Rock, Pop, Classic, Soft, Jazz ,SRSand DBB 8.Multiple Repeat Mode: Normal, Repeat One, Folder, Repeat Folder, Repeat All, Random, Intro. 9.You may Sleep Timer or Off Time mode in your own convenience 10..GUI (Graphic User Interface) Menu with corresponding characters make it easy to operate 11.with powerful rechargeable battery, built-in speaker optional 12.Fashionable appearance design, top grade metal covers 13.SRS WOW (3D) virtual surround sound