OLED 96*64*3 65K colors display Support MP3, WMA, WMV, ASF, WAV file, MTV, Film play JPEG pictures browse Disk encrypt 16 levels shift gears play Built-in FM radio，ID3 lyric Line-in actual coding of outer sound Multi-language display High-quality, long-time MIC record, enable to set sampling, with frequency 8K~48K 6 EQ Modes:JAZZ, CLASSIC, ROCK, POP, NORMAL, SOFT, DBB. 7 Play modes: Normal/Repeat 1/Repeat all/Random/Shuffle all/Intro/A-B section S/N ratio: 90dB Distortion: 0.1% Max file allowance: MP3 to 320kbps/WMA to 192kbps If it is aboveWin98 system, no need to use driver Support: MAC OS With the function of power management which is of strengthening type, also with comparison adjustment Built in lithium battery which can be recharged by USB port. Capacity: 128MB-1GB