Compatible with Secure Digital [Standard SD and SDHC] memory cards. Mini and Micro SD are supported when used with an adapter to fit the slot [Adapter NOT Included]. Supporting SD card capacity less than 64GB [including 64GB]. Do NOT support Wi-Fi SD card. Data Transfer Speed -14MB/S~16MB/S, USB 2.0 speed. Be able to copy photos and videos to camera in a short time. Thus you can share them on your social network freely. Release the space of your SD card. Straightforward to view/save/delete/share contents in your SD card with phone and tablet, offer you a better experience for viewing as well as sharing them. Compatible with all iphones with iOS 9.2 and up and iPads with iOS 8.0 or later. No app needed, please wait for 5 seconds after connecting to your device & then download photos & videos from SD card to your iPhone & iPad directly. Specification: Material: Plastic Size: 12cm/4.7inch Color: White Package Includes: 1 Piece Card Reader for iPhone. (2 Pack) Note: If photos or videos aren't transferring, be sure the memory card is inserted properly into the SD Card Camera Reader. Completely unplug then reconnect them and try again. Make sure the SD card is a good one. Please be noted the Wi-Fi SD card is not supported. Check if the iOS is updated to iOS 9.2 or above for iPhone and iOS 8.0 or above for iPad. If photos were not taken by the digital camera, use your computer, create a folder called " " to the root of your memory card. Copy the photos and videos into the folder. Rename each photo and video file as IMG_XXXX", where XXXX is a unique number. For example, if you had one JPG file and one .MOV file, name them IMG_0001.JPG and IMG_0002.MOV. Using MediaInfo to check if the video files are H.264 or MPEG-4. If not, the video should change the format into H.264 or MPEG-4 and try again.