12 in 1 ExpressCard Express Card Reader Adapter for SDHC/SD/MMC/xD etc. Compliant with ExpressCard USB 2.0 standard Suitable for desktop or laptop equipped with ExpressCard /34 slot Support Windows 2000,XP, Mac 10.4 and above Compatible for both desktop & mobile device Without Adapter: SDHC, SD, MMC, MMCplus, MS, MS PRO and xD