4 in 1 SD card reader: 1* SD card slot, 1* Micro SD(TF) card slot, 1* power supply port, 1* USB 2.0female port to connect hubs, keyboards, cameras when chatting or typing with your iPhone or iPad,and can charge your iPhone/iPad simultaneously. Plug and play: No app needed, please wait for 3-5 seconds after connecting to your device & thendownload photos & videos from SD card to your iPhone & iPad directly.Fast data transfer speed: Transfer videos and photos to your iPhone / iPad from camera or memorycard with the speed of 50MB~70MB/S. The mmory card reader for iPhone/ iPad supports photoformats both JPER and RAW, SD and HD video formats including H.264 and MPEG-4. Please make sure your files under the folder: DCIM.Wide compatibility: Compatible with all iPhone/iPad with iOS 9.1 and later. Through the lightning 4 in 1audio camera connection kit, it's incredibly easy to download photos from your digital camera to youriPhone/iPad. It gives you two ways to import photos and videos, one is via using USB cable, the other is to read form SD/Micro SD card directly. Please note:(1). When applied to iOS 9.1-12.0, It DOES NOT support the video and audio transmission, but only supports one-way transmission(import the photo to your iOS devices from the memery card).(2). When applied to iOS 13 and above, it can support two-way transmission of video, audio and photos.3. How to use(1): Insert the memory card into the card reader and connect your iOS device. The device will automatically recognize the memory card and turn to the album interface.(2): When apply to the iOS13 devices, it will not automatically turn to the album interface. You need to follow the steps below:a. Open the " Files App " on homepage .b. Click "Browse" button and you will find the name of the memory card.c. Click the name of memory card, now you could process the file that in need.1. Attention:(1). If the memory card is taken from a non-digital camera, the photos must be renamed in strict accordance with the file naming rules.Follow the steps below:A. Create a new folder in the memory card which inserted in the card reader and name it as "DCIM".B. Create a new folder in the "DCIM" folder and name it as "100D3300"C. Save or move photos / videos in folder of "100D3300" before use (2). This card reader cannot directly store files from the network. It needs to be downloaded to the phone first, and then stored on the external memory card Package Included:1pc x 4 in 1 SD Card Reader