The new usb cr 31 mobile sim and memory card reader is just what you are looking for featuring a universal sim card slot to read and move data from the sim card the usb cr 31 also features an integral memory card readerwriter that reads up to 9 of the latest high capacity formats including microsd minisd as well as other legacy formats specification usb version 20 standard backward compatible with usb version 11 data transfer rate up to 480mbps supports mini sd micro sdt flash s