Plug and play: Plug and play, no WIFI, network or driver, super easy to use. Unlike other sd card adapters, the upgraded iphone sd card reader has a charging port for the iphone/ipad. Charging and reading can be done at the same time, so you no longer need to worry about the phone's low power during transmission. Fast transmission speed: High speed transmission from iPhone to USB adapter can save a lot of waiting time. It can connect more USB peripherals, such as camera, mouse, keyboard, USB flash disk, card reader, etc. Wide compatibility: Tablet to USB adapter supports standard photo formats, including JPER and RAW, as well as SD and HD video formats, and supports all iOS 9.2 and later iPhones and iOS 8.0 or later iPads. The micro sd card reader supports up to 512GB memory cards and 256GB USB flash drives. Product configuration: SD card reader for iPhone has multiple interfaces, SD card slot/micro SD card slot/USB3.0 port and ios device charging port.