Usb card reader 1) support the hight - speed transmission mode 480mbps 2) fast and flexible for writing and reading data 3) supports windows 98/ se/ 2000/ me/ xp/ linux 2.4. X-mac os10.0 4) card supported: cf / cf ii / md / ms / ms-pro / ms-duo / Ms-pro-duo / ms-mg / ms-pro-mg / ms-rom / sd / mmc / Mmcii / mini-sd / rs-mmc / t-flash / sm cards