USB 2.0 Hi-speed 15-IN-1 (Retail Package) Works with 15 different flash card formats - CompactFlash (CF) I and II, Secure Digital, miniSD, microSD (SD adapter included), MultiMediaCard (MMC) Version 3.1, MMCmicro (MMC adapter required), MMCmobile (DV RS-MMC), MMCplus (Version 4.0), RS-MMC (Version 3.1), Microdrive (CF Types II), Memory Stick, Memory Stick PRO, Memory Stick PRO Duo, SmartMedia Complies with USB 2.0 Hi-speed specification standards for up to 480 Mbps data transfer and backwards compatible with USB 1.1 specifications for up to 12 Mbps Convenient small size, no power cable required Plug and play into any USB 2.0 or 1.1 port Compatibility - Windows 2000 (SP 3 and above) and XP, Mac OS 9.1 or later