The card reader easily expands the SD and TF slot of your computer and supports SDXC/SDHC/SD/MMC/RS-MMC/Micro SD/TF/Micro SDXC/Micro SDHC/UHS-I memory cards. It can read and write to two cards at the same time, saving you the hassle of removing and inserting cards. Supports reading SD/Micro SD cards at speeds of up to 5 Gbps - 10 times faster than USB 2.0 (480 Mbps), so you can transfer HD movies or files in seconds via USB 3.0. Backwards compatible with USB 2.0/1.1. For USB 3.0 connection, compatible with Windows XP/Vista/7/8/8.1/10, Mac OS, Linux, Chrome OS. Plug and play, no driver required for compatible devices.