Sandisk Mobile ULTRA MicroMate microSDHC & M2 USB 2.0 Card Reader Colors May Vary (SDDR-121, Static Pack) Hi-Speed USB 2.0 compatible transfer rates Compatible with Windows Vista and certified for Windows XP and Mac OS X No additional card adapters required Designed for Class 6 & High Speed cards : MicroSD, MicroSDHC, M2 (Memory Stick Micro) Easy to install and use