The Aluratek Card Reader has a compact, lightweight design and allows you to read SDHC (High Capacity), MicroSD, MiniSD, Secure Digital (SD), MMC, RS-MMC, MMC plus, and MMC mobile memory cards. The plug and play card reader works with USB 2.0 but is back-wards compatible with USB 1.1. The reader is perfect for the busy photographer on the go with it's 480 Mbps data transfer speed.