Dual Card Slot: The SD card reader is compatible with both SD and microSD memory cards and supports iPhone and iPad. It's easy to download photos or videos from SD cards directly to your iPhone or iPad and share them with friends and family anytime. High-Speed Transfer: Data transfer speed is very fast. The SD card reader can transfer photos and videos from your camera to your iPhone or iPad in seconds, saving you valuable time. Plug and Play: The SD card reader requires no third-party apps and simply uses the built-in iOS Files app. RAW File Support: The SD card reader supports standard photo formats, including JPEG and RAW, as well as 4K video formats, including H.264 and MPEG-4. The card reader supports memory cards with a maximum capacity of 256GB.