SanDisk makes it easy to transfer your photos, videos, music and data files between your digital devices and your PC. With the MobilMate Memory Stick Plus 4-in-1 Reader just plug your flash memory card directly into the reader and move your files around in a flash! The SanDisk MobileMate Memory Stick Plus 4-in-1 Reader works with the following memory cards, without the need for an adapter: - Memory Stick - Memory Stick PRO - Memory Stick Duo - Memory Stick PRO Duo Features Hi-Speed USB 2.0 certified for fast data transfer Backward compatible with all USB 1.1 ports No additional card adapters needed USB travel cable included Extra cap and key ring included Easy to install and use; no additional driver installation required for Windows ME, 2000 and XP. Driver included for Windows 98SE Certified Windows XP and Mac OS X Tech Specs Unit Dimensions (H x L x W): 11 x 74 x 26 mm 0.4 x 2.9 x 1.0 inches 16 grams Minimum System Requirements: Windows/Macintosh Pentium class PC with USB support Windows 98SE, 2000, ME, XP Mac OS 9.2.x+, OS X v10.1.2+ CD-ROM drive USB 2.0 port required for Hi-Speed transfer (full speed with USB 1.1)