1.This USB C SD Card Adapter has a USB-C connector, not compatible with iPhone(Lightning Port) and Micro usb devices. 2.If you use the Android phone, please make sure your USB C smartphone supports OTG function. 3.The SD card must be FAT32 or Exfat, not NTFS format. If your SD card is NTFS format, please backup your SD Card and format the SD card to FAT32 or Exfat format, then copy the original data back to your SD card. 【USB C SD Card Adapter】: Our SD card reader use the newest USB Type C plug, easy to transfer photos and data to your USB-C laptop, smartphone and tablets. Built-in newest powerful chip, not only can quickly and smoothly speed up the transfer, but also can ensure transfer safety,super Utility. 【Plug and Play】: SD card camera reader don't need any driver or App when using the memory card reader for phone. Easily connect the SD card adapter to your phone/pad.Pls wait for 5-7 seconds after connecting to your device. When you are traveling outside, you can immediately share the pictures you take with the camera to your friends. 【Universal Compatibility】: USB C SD card reader compatible with Samsung Galaxy S22/S21/S20/10/9/Note 10/Note 20, HTC U11/U12, Pixelbook, compatible with Dell XPS 15 / XPS 13, Galaxy Book, and many other USB-C Devices. 【Fast Speed Camera Card Reader】:Transfer the photos or videos to your phone from camera or memory card with the speed of 14MB~16MB/S, making it much easier to share photos and videos with your families or friends anytime, anywhere. Flash Memory Card Reader support standard photo formats, such as JPEG and RAW. 【Convenient Portability】: Memory card reader adapter fits easily into your pocket, backpack, briefcase or laptop bag.When you travel, you don’t need to bring a heavy notebook, just bring our SD card reader, you can quickly share your photos to your social accounts.