Super slim design.
*Built-in High quality Audio decoder for recording & music play back.
*Support MP3/WMA,MP-1,MP-2,WAV  format
*Audio files play back in different speed
*File Delete & format function.
*A-B repeat function
*U disc function, WIN98 above free of driver, USB2.0 port, high speed
*Built-in MIC/EXT MIC recording
*Support (Line IN) , Telephone, VOR, Auto recording
*Clock, alarm, File Navigation
*Password function
*Built-in Speaker
*Record file named by Date
*Firmware upgrading 
AAA X 2 DRY BATTERY