USB C & USB A 2 in 1 Design:Equipped with a USB-A 3.0 and Type-C interface, which can support most devices with USB A, USB C, and thunderbolt 3 ports. So you can use it on different devices like PCs, laptops, tablets, or smartphones. (Note: Only support USB C phones/tablets with OTG function. Not for devices with micro usb or lightning interface. ) Plug and Play: Plug and play on Windows 11/10/8.1/8/7/XP/Vista, Mac OS, Linux, Chrome OS, iPad OS(type-c port), Android(OTG), HarmonyOS, etc.. And it works with almost all types of memory cards including SD/SDXC/SDHC/MMC/RS-MMC/Micro SD(TF)/Micro SDXC/Micro SDHC, backward compatible with more UHS-I memory cards. (Note: This SD card reader will read UHS-II cards at UHS-I speed.) Dual-Card Transfer: Features a SD card slot and a Micro SD (TF) card slot, this card reader offers up to UHS-I (104MB/s) high-speed syncing of video, pictures, files and more. Supports reading and writing two cards simultaneously with maximum capacity up to 2TB.