High Speed Micro SDHC SDXC Memory Card Reader Writer Memory Card Reader/Writer, pocket-sized design for easy transport everywhere you go. High-speed USB 2.0 Interface for fast access to photos, music, and digital information. Compatible with Memory Stick Duo, Pro Duo, M2, SD, SDHC, miniSD, miniSDHC, microSD, and microSDHC card. Operating System Compatibility Windows 2000 (SP3 and above), XP (SP1 and above) and VistaTM; Mac OS 10.x and above. USB powered (no external power or battery needed).