Cardreader+USB Comb Hub -Three slot USB Hub, Full speed USB V1.1 or V2.0 connectivity -Supports:TF/SD/M2/CF/XD/MS/SDHC Card Reader, Plug-and-play. -Offering high-speed data transfer rate of up to 480Mbps -System supports: Win98/2000/XP/Mac OS V9.2 or higher