Main features 65K true colors OLED display Support multiple music formats including MP1, MP2, MP3, WMA, WMV, ASF and WAV. The function of browsing JPEG picture "Keep your secret!" The flash memory can be divided into two parts by using the accessory tools and one is encrypted to hide the contents saved inaccessible by others. Product Details 65K true colors OLED display Support multiple music formats including MP1, MP2, MP3, WMA, WMV, ASF and WAV. The function of browsing JPEG picture "Keep your secret!" The flash memory can be divided into two parts by using the accessory tools and one is encrypted to hide the contents saved inaccessible by others. 16-level shift play Support the lyric display with music. It is very fast and convenient to learn lyric. Personality fade-in and fade-out display. Let抯 the ear fell more comfortable All figure-interface handle. Shift disk document file management Build-in microphone, hi-fi recording, sopport line-in function, voice-recording may reach 35 hours continuously @128M FLASH USB2.0（FS）Portable Disk. The top speed may reach 1000K BYTE/S Firmware upgrade. Providing the latest updated features via firmware upgrade from the website. It is convenient to learn language, A-B replay function, Original voice compare-replay 16-level shift play On WINDOWS98, ME, 2000, MP, MAC OS 10.X and above LINUX KERMEL,2.4.2 without driver Nine-level exact eletricity power control display 7 Equalizer-setting: Rock, Pop, Classial, soft,Jazz, Bass, Natural ELECTRONIC FITTINGS Weight:34g Screen:1.2 inch Size:61.90 X 39.91 X 12.80 mm