4 in 1 Multi-Function The 4 in 1 iPhone USB Camera Connection Kit is designed with a SD card slot, a Micro SD(TF) card slot, a power delivery port and a USB 2.0 female OTG Interface.You can transfer photos and videos from SD / TF / USB digital camera to Phone and Pad .For IOS 13 , you can import & export photos / video / files ( Word / PPT / Excel ) / audio via open the 'Files' App more easy. Fast Speed Transfer60MB/S~90MB/S, USB 3.0 speed. The iPhone SD/TF card reader supports the memory cards capacity less than 512GB(Include 512GB). It is a great choice to copy photos and videos to camera in a short time, you can easily save much time than using WIFI. Connect USB PeripheralsThis iPhone usb camera adapter supports many peripherals like Hubs, USB Flash Drives, MIDI Keyboard, Mouse, Ethernet Adapters, Camera, Guitar, Digital Piano etc .Besides, it supports two-direction fast data transfer, share photos and other file in time. Perfect Wide CompatibilityCompatible with all iPhones and Pads with iOS 9.2 and later, support reading XQD, SDXC, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC Card, USB Camera / USB flash drive, etc. (Only IOS 13 support files reading, and other functions, system below IOS 13 only support photos reading)