| 1. Support SD/MMC card reader mp3 player 2. USB port: USB2.03. Disk read speed: 970k bytes/sec4. Music format: Support all of MP3 format5. Support software update online6. Support files management in U-disk、SD card、Harddisk7. IR Remote Control Function 8. Key function: SD/U change, NEXT, PREV, VOL-, VOL+9. Support memory play, repeat play, EQ function10. Support auto play when put into SD card or U disk | 
