Dual card slot 2-in-1: The SD card reader is compatible with SD and micro SD (TF) memory cards, supports all iPhones with iOS 9.2 and above and iPads with iOS 8.0 or newer. It makes it easy to download photos or videos directly to iPhone or iPad and share videos or photos with friends and loved ones anytime and anywhere. Charge your iPhone and iPad : The memory card reader adds a charging port, charging and reading cards can be used simultaneously. When you use an SD card reader to transfer photos and videos, you no longer have to worry about your iPhone or iPad running out of power. Fast Data Transfer Speed: SD card reader for iPhone transfers photos or videos from camera or memory card to iPhone or iPad at the speed of 20MB/s~30MB/s. For iPhone and iPad users, this is the best way to copy photos or videos from SD card to iPhone or iPad, huge time saver to do more important things. p>Capacity and supported format: The SD card reader for iPad and iPhone supports a 256GB memory card and the SD card adapter supports standard photo formats (including JPER and RAW) and SD HD video formats (including H. 264 and MPEG-4). For iOS 13 users, you can transfer photos and videos, but also Excel, Word, PDF files. Choose the best solution: SD card reader will make your life more convenient; the micro SD card reader will make you enjoy more interesting moments.