Specification: USB 2.0 High speed support up to 480 Mbps. Mini Size &; Easy Carry. Draw Power directly from USB Port. Plug &; Play, no external power needed. View and edit the data directly on the reader. Drag and drop files between cards. Type: USB 2.0 Multi-Slot Card Reader Shape: Lighter Card Reader Supports: for M2, MS/ MS PRO, MS Pro Duo, MS Duo, SD, MMC, SDHC, DV, Micro SD/TF. (Card is not included) System supports: for Windows 98 / 98SE / ME / XP / Vista / WIN7 / Mac OS X 9.0 and Linus2.4 later version. Size: 6.7cm x 2cm x 1.5cm/2.64 x 0.79 x 0.59 (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x USB 2.0 Multi-Slot Card Reader