?[Working Principle] It convert iOS format output digital audio signal to standard USB format digital signal, and transmit USB format digital signal to your type c device, your type c device decodes this usb digital signal to analog audio signal. Or convert USB format digital signal to iOS format digital signal, then transmit to iOS device, iOS device decodes digital signal to analog signal. Sound quality depends on your device. ?[NOTE #1] This adapter does not work with the following devices: USB-C flash driver & card reader, USB-C hub. Can't sync data between laptop and iOS devices. And not support charging. ?[NOTE #2] This adapter does not work with the following devices: USB-C flash driver & card reader, USB-C hub. Can't sync data between laptop and iOS devices. If the peripheral work current exceeds 500MA, iOS device will pop up a prompt of "Cannot Use Device" (iOS device auto protection enabled). ?[Most Commonly Used in] Headphones Amplifiers, Wireless lavalier receivers(The USB-C interface of the device must support digital audio signal output). ?[Strengthen Key Node] Designed for the harshest routines. Premium TPE & high elastic nylon built-in core wire, can withstand -50? will not become brittle. The premium nylon fabric and enough pure copper secures a 100% durable and efficient charging. The toughest industry tests is necessary: * Bending Test > 15000+ * Salt Spray Test > 48 Hours * High-Low temperature Test: -50? to +60? * Plug & Unplug Test > 15000+?[Compatibility]: These adapters have built-in smart chips, compatible with iPhone 13, 12, 11 series, XS XR X 8 7 6 5 series, iPad Pro 10.5', iPad Pro 12.9'. And compatible with USB-C device which support USB format audio output: Digital Camera, headphones amps, wireless lavalier microphone etc. ?[Durable] Manufacture in strict accordance with industry standards, without cutting corners. Powered by quality tinned copper conductors. 15000+Bend Tested. Premium TPE ensure extreme temperatures (-50?) without cracking. These USB-C to lightning cables adapters are designed for the harshest routines. ?[Exquisite Workmanship & Intimate Details] Aluminum alloy shell by micro-arc oxidation process makes the shell surface harder and more wearable. Strict quality inspection standards, fine appearance details, refuse to be shoddy. All components are made of environmentally friendly materials. ?[Important Note #2] Pls confirm before purchg: So Many Devices USB Type-C Interface Supports Charging Only, No Digital Audio Transmission Function. Pls Make Sure Your Device Supports USB Digital Audio Format Transmission. USB headsets/headphones & USB Microphone work current must be less than 500ma, otherwise the phone will pop up a warning window. Can't support phone call, support listening to music and microphone input for live broadcast. ?[Important Note #1] This adapter can’t support analog USB-C audio output conversion, not support charging & data transmisson.