Plug and PlayThis USB C SD card reader does not need to download apps, Plug and Play. Portable and easily transfer photos and videos to your USB C device from an SD/TF card or other USB 2.0 device. High-speed transfer with 14MB-16MB/s speed. With the card reader, share videos or photos with others anytime. No need to use a PC anymore, Quick and easy. Wide compatibility: Micro SD card reader compatible with SD, SDHC, SDXC, Micro SD, Micro SDHC, Micro SDXC cards and USB 2.0 device, USB C for MacBook 2016-2019, iPad Pro Compatible with Samsung Galaxy S10 / S9 / S8 / Google Pixel, etc. SD card and Micro SD card can be used at fast transfer speed up to 104m/s, capacity up to 512GB. Super Utility PortsWith this micro card adapter SD, you can connect USB devices such as thumb drive, mouse, keyboard, card reader, camera, printer, hard drive and many other connected USB devices. By using this adapter to connect the keyboard to a USB C smartphone, you can enjoy faster typing and conversations. Security, durability and portability: The shell of this USB SD card reader has been Made of upgraded flame retardant material that protects your devices. The shell surface provides excellent wear and impact resistance. Lightweight and compact to carry. 1. Please make sure your USB C smartphone supports OTG function 2. USB port, SD port and Micro SD port cannot be used at the same time, only one interface at a time; 3. Not all smartphones can recognize NTFS format and only support FAT32 format. Please backup the files to your SD card and format the SD card to FAT32 format.