* USB 2.0 high-speed interface,can rapid read the photo within the digital camera or memory card. * Supports SD(HC), SD(XC), Mini SD, MMC, MMC 4.0, MS, MS Pro, MS Duo, MS Pro Duo, MS Duo MagicGate, M2, Micro SD/T-Flash card. * Compliant to the latest high speed memory cards,speeding up the reading rate. * Can connect any large current USB devices, such as camera,keyboard,mobile harddisk etc. USB ports support hot-swapping plug-and-play function. * All USB devices connected with iPad working at the same time. * Application: * The combo connect to ipad,insert one kind memory card(SD or MS or TF or M2)to the combo,choose the photos what you want to upload. * Insert the usb keyboard,U-disk,digital-camera,iphone or ipod to combousb ports. * All the external usb device working on ipad at the same time. * Can also support apple keyboard,but some keyboard large current need in put the usb dc cable to the combo.