Mini size, easy for carry.USB 2.0 specification, backwards to USB 1.1.The maximum transmission is up to 480 Mbps.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.This multi-slot card reader supports: M2, MS/MS PRO, MS Pro Duo, MS Duo, SD, MMC, SDHC, DV, Micro SD/TF.(Memory card is not included.)Item Type: Memory Card ReaderMaterial: AluminiumConnector: USB 2.0Transmission Speed: Up to 480MbpsSize: 52mm x 18mm x 10mm/2.05" x 0.71" x 0.39" (Approx.)Note: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 Memory Card Reader