1. 1 downstream facing ports support
    High-Speed (480MHz), Full-Speed(12MHz),
    and Low-Speed (1.5MHz) 
2. 1 card slots for memory card
    Slot 1: SD/SDHC(32GB)
           SD / EXTREME SD / EXTREME III SD /
           ULTRA SD / ULTRA II SD /
           ULTRA II SD PLUS / SD-ULTRA-X /
           ULTRA SPEED SD / SD PRO / SDHC /
           SD ELITE PRO / HS SD / MMC / MMC 4.0 /
           HS MMC / MMC 4.2/
    (adapter required : HS RS MMC / RS MMC /
     RS MMC 4.0 / MMC Mobile / MMC Plus /
     MINI SD / HS MINI SD) 

 Functions :
1. With the USB port, transfer your photo from the digital
camera into your iPad.
2. SD card can be read into the SD socket then view
your photo or video instantly on your iPad.
3. Thumb drive ready, just plug and play.
4. External hard drive ready.
5. Automatic transfer photos from iPhone to iPad
via USB port.
6. Picture will be displayed on the iPad while taking photos
with your iPhone connect to your iPad.
7. Music in folder /mnt can be accessed with iFile VAR
through the USB port.
8. Can connect to USB HUB, but external power
supply is needed.
9. USB keyboard can be connected to your iPad you
can type wherever there is a textfield.
10. Card reader access ready. Simply plug it into the USB port.