UGREEN SD Card Reader USB 3.0 Dual Slot Flash Memory Card Reader TF, SD, Micro SD, SDXC, SDHC, MMC, RS-MMC, Micro SDXC, Micro SDHC, UHS-I for Mac, Windows, Linux, Chrome, Read 2 Cards Simultaneously A Good Companion for PC: UGREEN USB 3.0 card reader easily expands SD and TF slot on your computer. It supports SDXC/SDHC/SD/MMC/RS-MMC/Micro SD/TF /Micro SDXC/Micro SDHC/UHS-I memory cards. 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. Super Speed & High Capacity: Supports up to 512G SD/Micro SD card read and super speed up to 5Gbps - 10X faster than USB 2.0 (480 Mbps), which allows you to transfer HD movies or files in just seconds through USB 3.0. Backward compatible with USB 2.0/1.1. Broad Compatibility: For the USB 3.0 connection, compatible with Windows XP/Vista/7/8/8.1/10, Mac OS, Linux, Chrome OS. Easy Installation: plug and play, no driver needed on the compatible devices. Portable Kit: with slim and sleek design, this tiny usb card reader is a great kit for travel.