Fast Data/Files Access and Transfer Rate Super-Speed (5Gps) / High-Speed (480Mbps) / Full-Speed (12 Mbps) * Truly Plug & Play and Hot swapping capability,USB-powered (no external power or battery needed); Backward compatible with USB 2.0 / 1.1. * Reads CF,TF,Mrico SD,SD,MD,MMC,SDHC and SDXC card * Compatibility:Windows XP/Vista/7/8 mac os etc * Supports multiple cards to use at the some time, more easily for information exchange