Shintaro SHSDCRU3 USB 3.0 card reader enables data transfer rates of up to 5Gbps for faster Sync times and backward compatible with USB 2.0/ 1.1, supporting both Micro SD and SD cards. - USB 3.0 enables data transfer rates of up to 5Gbps for faster Sync times Fully powered via your USB port and no additional power supply required No drivers required for Windows 10/ 8/ 7/ Vista or Mac OS X 10.2 and above Backward compatible with USB 2.0/ 1.1