The upgraded iPhone OTG adapter compatibles with iOS 9.3 or later compatibility Version. Easy to use, plug and play, NO APP NEEDED. | We add an Lightning charging port to make it more powerful,with an usb power adapter,You can connect more USB accessories like hubs,keyboards,audio/MIDI interfaces,ethernet adapters,card readers of SD and Micro SD and more. | Transmission is 14MB/S~16MB/S, Faster transfer of photos and videos between two iOS devices at USB 2.0 speed,support maximum 64Gb SD/TF card. A great choice for copying photos or videos to camera in a short period of time. | Connect the lightning USB 3.0 adapter to the keyboard to enjoy the faster typing speed as a computer when chatting or typing with your iPhone or iPad, and can charge your iPhone at the same time! | Please Note: 1. This adapter does not support USB devices over 100mA current. 2. SD/TF card reader and USB interface cannot be used at the same time. 3.It is "One-Way-Transfer".