Support MP3, WMA music formats Support multi-language like Chinese, English, German, French, Italian, Spanish and Czechish, etc. Used as U-disc LCD display and 7 backlights / blue backlight Multi-mode playing (Normal, single song repetition, all songs playing) USB1.1 Built-in microphone, 3 modes of recording optional A-B repetition function 7 sound effect: NATURAL, POP, CLASSIC, JAZZ, ROCK, SOFT, DBB Built-in auto backlight display Low power consumption, long time using of battery built in FM is optional