SuperSpeed on Data Transfer This SD/TF card reader support super faster data transfer up to 5Gbps through USB 3.0 interface -10X faster than USB 2.0, transfer HD movies, or files in just seconds. Read and Write on 2 Cards Simultaneously(Dual Ports) The SD card reader could read and write on two cards at the same time to keep you away from the hassle of constant unplugging and re-plugging. Compact Design With a slim and sleek design, great kit for travel. Easy to grab and go. 6 inches short cable tail would reduce stress on the USB port on your computer and won't affect the use of adjacent ports. Devices Compatibility For the USB 3.0 connection, compatible with Windows XP/Vista/7/8/8.1/10, Mac OS, Linux, Chrome OS. Card Slot Compatibility SD slot: SDXC/SDHC/SD/Extreme I III SD/Ultra II SD/MMC/RS-MMCMicro SD/TF slot: Micro SD/TF/Micro SDXC/Micro SDHC/UHS-INote1. This card reader supports SD/Micro SD card up to 512G.2. The data transfer speed could be affected by multi-cards simultaneous reading. Package Contents1 x USB 3.0 Dual Slot Card Reader1 x User Manual