Usb 30 card reader for reading and writing to sd and microsd memory cards allows fast data transfer between the card and the pc when used with a uhs i capable sdmicrosd card allows direct data exchange between memory cards high quality and robust metal casing led function indicator gives information about the connection status supports usb 30 superspeed 5 gbps downward compatible with usb 20 480 mbits and usb 11 12 mbits memory cards sdsdhcsdxc microsdmicrosdhcmicrosdxc system requirements o