EasyAcc® make it easy Small in size but powerful in performance: 3-in-1 hub, card reader, and OTG device with a slim, compact design for easy portability. The usb 2.0 hub is an indispensable tool to transfer your images,videos and other files from your memory card or USB flash drive to your Tablet or PC. Notes: 1:This hub is not designed to serve as a standalone charger. Do not charge your devices through this hub; they will either not charge, charge very slowly, or suffer unstable connectivity. 2:When using the card reader, please insert only one memory card at a time. The card reader will only be able to read one card even if two are inserted at the same time. If you need the card reader to read the data on another card, please remove the first card and then insert the second. Technical Specifications Dimensions : 3.46×3.46×0.79 in. (L×W×H) Weight : 1.66 oz Output Interface: 3×Standard USB 2.0 Port 1×SD Card Slot 1×TF Card Slot Package Contents EasyAccCard Reader x1 USB 2.0 Extension Cable x1 USB 2.0 OTG Cable x1 USB to DC Power Cable x1 User Manual x1