1,USB 2.0 All-in-one Card Reader 2,Support SD/ ... All-in-one Card Reader with Plug-and-play Function USB (universal serial bus) 2.0 specificationTruly plug-and-play function and hot swapping ... access and transfer rate up to 480MbpsDraws power directly from USB portSupports: CF, CF type II, micro drive, SM, SD, MMC ...