Features: Newest Design 3 in 1 Adapter --- iPhone/iPad USB 3 Camera Reader Adapter and 3.5mm Headphone Audio with Charging Port.The USB port and charge can be used together.3.5mm headphone audio and charging can be used together. Fast Data Transfer Speed --- From usb camera or devices to your iPhone/iPad with the high speed of 60MB~90MB/S.iOS 12 and before,only supports one-way transmission from usb devices to the iPhone/iPad.iOS 13 and later supports two-way transmission(Excel,Word,Txt,PDF,MP3,MP4,JPEG,RAW, HEIF,HEVC etc) Digital Quality Sound --- This iPhone 3.5mm headphone jack cable built in DAC smart chip contacts ensure the cleanest sound experience,support 96 KHZ 24bit audio output for iOS 10 and later --- Not support the 3.5mm headphone audio to call --- Plug&Play --- Don't need additional audio software,just plug and enjoy music with 3.5mm headphone audio or USB OTG port at any time. 3 in 1 Audio USB OTG Adapter with Charging Support All iOS Port Devices The USB port support play/transfer/store/play media files and officework documents on your USB storage disk directly. Make your life easier - 1.This camera connection kit can transfer the videos and photos, such as JPEG and RAW etc. - 2.The usb camera card reader and charging can be used together - 3.The 3.5mm headphone audio and charging can be used together. - 4.Connect the USB camera reader adapter withthe speed of 60MB~90MB/S - 5.3.5 mm headphone port for connecting headphones,speakers,and other audio devices.only can listen to music not support to call No longer need via memory card to transfer photos anymore. USB Camera Reader Adapter Transfer the video and photo to your iPhone/iPad from usb camera or devices with the speed of 60MB~90MB/S. iOS 12 and before,only supports one-way transmission from usb camera card to the iPhone/iPad, iOS 13 and later,supports two-way transmission(not only pictures and videos,but also Word,Excel,PDF etc.)from usb camera or devices to the iPhone/iPad,and from iPhone/iPad to the usb camera or devices. How to transfer photos and videos from camera or iOS device 1.Turn on your device and connect the USB Camera port 2.Turn on your camera and connect it to the adapter using the USB cable that came with your camera 3.Your Phone will open the photos app automatically 3-7 seconds after connecting this adapter, and then you can choose photos or videos you like to import Note: When connecting with other USB device,you Can't put photos in the U disk directly, Must create a new file named "DCIM" (Most camera have this file). Then send photos to this file,insert the usb to OTG,after 3-7 seconds Phone will automatically pop-up the picture window NOT support USB devices over 500mA