V.one Aluminum USB 2.0 All In One Memory Card Reader Adapter Support SD, MMC, Micro SD, M2, MS PRO DUO Memory Stick for Computer Laptop Camera 1: V.one compact flash memory card reader can repeatedly read and wipe memory cards. 2: Multi memory cards supports: T-Flash / Micro SD, SD / SDHC / Mini-SD / SD Ultra / DV, M2, MS / MS PRO / MS DUO / MS PRO DUO /, MS MG DUO / MS MG PRO / MS MG PRO DUO, MMC / MMCII / RS-MMC / HS-MMC / 3: System supports: Windows 98 / 98 SE / ME / 2000 / XP / Vista / WIN7 / Mac OS X 9.0 and Linus2.4 later version. 4: Plug and play, no drivers required, easy to use; 5: Up to 480MB/s Accessibility Speed,LED Light clew read and write state