Tips: Please don't worry if the no any dispaly when your plug your U disk or camera. Just find "Files" on the desktop & click "Browse" then you can see the U disk on your iPhone. Support Peripherals: USB Female OTG Data Sync Cable also can be widely use for more USB 3.0 Device, such as Digital camera,card reader,USB flash drive, MIDI keyboard, Mouse, U Disk, Hubs, electronic piano, Drum, Audio Interface, Mixer, USB Microphone etc. Widely Compatible: This iOS USB OTG Converter compatible with iPhone 13/ 13 Mini/ 13 Pro/ 13 Pro Max/12/12 Pro/SE 2/11/11 Pro/11 Pro Max/XS/XS Max/XR/X/8 7 6 Plus/5/5S/SE, iPad Mini/iPad Air/ iPad Pro. Support iOS 9.2 and later version. Plug & Play: Easy to use, no need to download APP. No need to use PC anymore, share your photos and videos from your camera to your social network and friends freely!. Upgraded Version: This iPhone to SD & TF Card & USB Port Adapter. support USB 3.0, transmission speed up to 5Gbps, And it also support USB 2.0, The transfer speed is 25MB/S-30MB/S which is 2 times faster than others, help you save time.