This USB C SD Card Reader offers you easy connection between SD or TF memory card and your Laptop or smartphones OTG function and Tablets with a USB-C or Thunderbolt 3 port. Support Movies or photos or Vlog video data transfering. super fast data transfer, 2 Cards works Simultaneously, improve your working eficiency, must have cards adapter for heavy sd or tf cards users like Professional photographer, video editor. USB C card reader adapter transfers data Up to 312MB or S Ultra High Super Speed for SD 4.0 UHS-II memory card. (3X faster than UHS-I SD 3.0 version), supporting UHS-II SD Cards, Backward compatible with UHS-I. quickly transfer files in seconds directly from your camera to your USB-C device This Type C Memory Card Reader with SD TF 2-in-1 Dual Connectors, Supports cards including UHS-II, UHS-I, Micro SD, SDXC, SDHC, MMC, RS-MMC, Micro SDXC, Micro SDHC, Compatible with SanDisk Compact Flash Memory Card and Lexar Professional CompactFlash Card , TOSHIBA SD or TF cards, GoPro hero SD card, Lexar cards etc. Wide compatibility This USB-C SD 4.0 Multi Card Reader Combine Thunderbolt 3 and USB-C, Compatible with iPad Pro ( USB C models) Apple Macbook Pro, Macbook Air, iMac, and widely compatible with other USB C phones and PC like Samsung S21 or or S20 or S9 or S8 or S8 Plus, Note 10 or 9 or 8, Tab S3, Google Chromebook Pixel, Dell XPS 13 or 15, Google Pixel XL, 2, 2XL, LG G5, G6, V20, V30, V50, Nexus 5X or 6P, OnePlus 9 Pro or 8 or 7 etc. With USB-A male to USB-C female 10G adapter keychain. can work on the laptop or PC with USB-A at 10Gbps data transmission speed.