New Sealed SanDisk SDDR-103-A10M MobileMate SD+ USB 2.0 Mobile Card Reader/Writer Supports SD, microSD/TransFlash, MMC, MMCplus, MMCmobile, RS-MMC Supports all SD, Supports upto 2GB Supports all MiniSD, Supports upto 2GB Supports Windows 98SE/ME/2000/XP/vista Mac OS 9.2.x+, OS X v10.1.2+ Supports all microSD, supports upto 2GB