Aluratek SDHC/SD/MMC Memory Card Reader, USB: * Supports microSD; MiniSD; Secure Digital High Capacity (SDHC); Secure Digital (SD); MMC; RS-MMC and MMC mobile * Compliant with USB 2.0 specification * Fast data transfer of up to 480 Mbps, between your cell phone / smartphone / PDA and computers * Backward-compatible with USB 1.1 specification * Plug-and-play, hot-swappable, and hot-pluggable * Compatible with Windows 98SE, 2000, ME, XP and Vista, as well as Mac OS X v10.3.9 or newer