FUNCTION: 1.Support MP3 and WMA music voice formats 2.Sweet and elegant, simple and friendly 3.Synchronized lyric display in Chinese and English with backlight 4.No need of driver installation for Windows 98 or above; plug and play 5.Ultra-long time digital recording and A-B repetitive reading. 6.Build-in Li-on battery, ultra-low power consumption 7.Dimension: L56譝38.5譎15mm 8.Weight: 29g (battery not included) 9.Support 32/64/128/256M flash memory