1.usb hub with combo 2.support SD, MS, MMC,M2, TF 3,3 ports usb hub ... for ipad 4,card reader for ipad ipad 3 combo connection kit Card reader + USB hub Combo usb ... magnetic card readerCan connect any large current USB devices, such as camera, keyboard, ... Ports of USB HUB for all USB Device connecting to computer. *USB ports supports hot-swapping Plug-and-Play function USB 2.0 3 ports USB ...