512GB Large Capacity:The card reader supports reading SD/TF memory cards up to 512GB, More Easily Read Most Memory Cards. 5Gbps Super Speed:Speed:USB 3.0 Port enables data transfer rates of up to 5Gbps for faster Sync times, backward compatible with USB 2.0/ 1.1. Multi-Function Design:Card Reader set the USB plug, USB C plug in one, making this card reader compatible with all USB C device and tablets and smart phones that support OTG function. More Easily Read Most Memory Cards:Transfer and save files, pictures, videos and music from SD/ card to your computer, android smartphone & tablets.Camera SD card adapter is easy to download photos and videos from your digital camera to your phone so you can view them on the photo app and share them with family and friends immediately.(ps:two cards cannot be read at the same time) Cards Universal Compatibility and Easy Use:Powers via USB C/USB port, no additional power supply needed. Easy to use and install, no additional software installation required,Plug and Play.It compatible with SD SDXC SDHC MMC RS-MMC TF micro-SDXC micro-SDHC UHS-I memory cards Portable and Fast heat dissipation: The Memory Card Reader is designed with a super mini size, which you can put in your briefcase or pocket, and use anywhere. Colour:Black Material:ABS Package Contents: 4 x USB 3.0 memory card reader