This multislot card reader supports: M2 SD SDHC DV Micro SD Mini SD TF. Slim size, easy for carry. USB ver2.0, 480Mbps. Draw power directly from USB port. No external power needed. This Micro SD card reader is compatible with USB 2.0. Plug & play and hot swapping. USB bus powered, no external power needed. All in 1 card reader. Type: Card Reader Material: ABS Card Slot: Multi Slot System Supports: for Windows 98/98SE/ME/2000/XP/Vista/WIN7/for Mac OS X 9.0 and Linus2.4 Later Version Size: 57mm x 21mm x 12mm/2.24" x 0.83" x 0.47" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Card Reader