【iOS-Specific Card Reader & Charging Functionality】Four slots compatible with iOS: 1 SD card slot, 1 Micro SD card slot, 1 USB-A port (for connecting cameras), and 1 female charging iOS connector. This SD card reader is designed specifically for iPhone/iPad. With this product, you can easily transfer photos and videos to your iPhone/iPad. You can also easily charge your device while transferring data, eliminating the problem of low battery. 【Easy Connection, No Dedicated App Required】No PC setup or app downloads are necessary. Simply insert the SD card into the iPhone card reader, and you can view your photos/files in the iPhone/iPad's Photos/Files app. "※Please note that writing to SD cards is only supported on iOS 13 and later systems." 【User-Friendly and Convenient】For iOS 9.2-12.4: One-way transfer, "Photos" app: Open the app → Tap "Import" in the bottom right → Select the photos you want to import → Tap "Import" in the top right, and the photo import is complete. For iOS 13 and iPad OS 13 and later: Two-way transfer, "Files" app: Open the "Files" app → Tap "Browse" → Tap "NO NAME" or "Untitled" → Paste the copied files or photos to write them. 【Compatible Models】Compatible with iPhone 13/13Pro/13 Pro MAX/12/12Pro/12Pro MAX/mini/iPhone 11/ 11Pro/ 11ProMAX/iPhone XS/iPhone XR/ XSMAX/X/iPhone 8/8plus/ iPhone 7/7plus/iPad mini/ Air/ pro9.7/ pro10.5/pro12.9, etc. Compatible with iOS versions 9.2 and later. "※For iOS 9.2-12.4, unsupported files and devices: Word, Excel, PPT, PDF, MP3, MP4, JPG and MP4 files taken with non-digital cameras, DCIM folders taken with non-digital cameras, hard disk drives, and mice."