... Micro SD/M2/T-Flash 2.USB 2.0 5 in 1 USB Camera Card Reader for Connection Kit ... ipad2,for ipad 3 through connecting the usb cable.2. with USB data cable to connect a digital camera, ... , including JPEG and RAW.4. USB interface to connect an external PC keyboard, you can enter information through the ... PC keyboard, you can also use U disk to transfer photos via USB interface to for ...