2 in 1 dual card slot: SD card reader is compatible with SD and Micro SD memory cards, supports all iOS 9.2 and later iPhones and iOS 8.0 or later iPads, and can easily download photos or videos directly from the SD card to Share videos or photos withfriends and family anytime, anywhere on iPhone or iPad. High-speed data transfer: SD card reader is suitable for iPhone. The data transfer speed can reach 20MB/S~30MB/S. The iPhone memory card reader can transfer photos and videos from the camera to your device in a few seconds, thereby saving lot of time. Plug and play: When you use a memory card reader, you don't need a computer as a medium or install any applications. Plug and play, please wait 5 seconds after connecting the device. Capacity and format support: SD card reader supports standard photo formats, including JPER and RAW, as well as SD, high-definition video formats, including H.264 and MPEG 4, and supports memory cards with a maximum capacity of 256GB