A slim multi card reader compatible with SM (SmartMedia Card), 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, as well as Mac OS X Version 10.2 and above. Enables quick and easy transfer of data, music, and pictures directly from a memory card to a PC or laptop. No additional driver installation or extra connection cable required. Ideal for office use, travel, and business applications. Features drive letter recognition software for easy identification of each media on your PC. Supports up to four card slots operating simultaneously with high-speed and stable performance. Simple plug-and-play operation with USB powerno external power supply needed. Includes a 23-inch USB 2.0 connecting cable for fast data transfer, backward compatible with USB 1.1. Compact, pocket-sized design for convenient portability.