A Slim Multi Card Reader for SM, xD Picture Card, SD, SDHC, SDXC, miniSD, miniSDHC, MS, M2, MS Duo, MS PRO, MS PRO Duo, MagicGate MS, MS Micro, MS PRO-HG, MS PRO-HG Duo, CF, MicroDrive, MMC, and RS-MMC memory cards. Blue all-in-one external multi-card reader/writer for fast access to most common media cards. Please note: 4M, 2M, 1M cards and 5V cards cannot be read. Compatible with Windows 10, 8, 7, Vista, XP, 2000 and above, and Mac OS X Version 10.2 and above. Quick and easy transfer of data, music, and pictures directly from a memory card to a PC or laptop. No additional cable or driver installation required. Ideal for office, travel, and business use. Drive Letter Recognition Software included for easy identification of each media on your PC. Four card slots support simultaneous operation with high-speed and stable performance. Simple plug-and-play operation: USB-powered, no external power supply needed. 23-inch connecting cable with USB 2.0 for fast data transfer (backward compatible with USB 1.1). Pocket-sized design for convenient portability.