tdk bisa external harddisk Dual USB 3.0 OTG Adapter for iPhone/iPad-- Connect USB peripherals, like USB flash disk, hubs, keyboards, Audio / Midi interfaces, card readers of SD and Micro SD and more. Super Speed Transmission-- Faster transfer of photos and videos between two iOS devices at USB 3.0 speed, up to14MB/S~16MB/S, saving you a lot of time to deal with the photos when changing a iPhone X, iPhone 8 Plus, iPhone 8, iPhone 7, iPhone 7 Plus, Iphone 6 or iPad, Ipad mini, Ipad Air, Ipad Pro Play amp; Play-- No need to install any APP, just connect your camera to iPhone/iPad, then choose the photos/videos import to your iPhone/iPad, share with your family and friends at any time. It supports standard photo formats, including JPEG and RAW, along with SD and HD video formats, including H.264 and MPEG-4. Same Time RunningDual USB Port can use it at the same time, such as 2 flashdisk at the same time / 1 keyboard 1 mouse / 1 keyboard 1 flash disk / etc Compatible Models:Requires iOS 9.1 or later Attention please: 1. Make sure your USB device current is less than 100mah, otherwise will can not work normally. Such as current more than 100mah keyboards, USB flash, hub... 2. This adapter only support photos and videos one-way transfer from your digital camera. 3. The picture need to be saved in named #34;DCIM #34; folder and create subfolder should be namedas #34;xxxAPPLE #34; or #34;xxxIMPRT #34; (xxx can be any numberexcept #34;000 #34;) The Digital camera can create #34;DCIM #34; folder automatically Package Include: 1 x Lightning to USB 3 Camera Reader 3 in 1 1 x Instruction