Unique USB 2.0 Multi Card Reader is an all-in-one memory card reader/writer that work with a variety of multi-format high capacity (HC) memory cards such as xD, SD, SDHC, miniSD, microSD (T-flash), MMC, RS-MMC, MS, MS Duo, MS Pro Duo, and M2. It delivers USB 2.0 data transfer rate of up to 480Mb/s and supports plug-n-play installation with built-in OS driver support. The USB 2.0 Multi Card Reader is powered by USB port, no power adapter is required. It is the perfect mobile card reader to work with your PC or Mac computer.