Thank you very much for viewing. This is a high-quality Type-C to 3.5mm earphone jack adapter. It is compatible with iPhones and other devices that use Type-C. Designed for smartphones that do not have a 3.5mm earphone jack, no troublesome settings are required, just plug it in and use. ■ Quality Guarantee We handle initial defects. If there is an initial defect, please message us before leaving a review. We will respond quickly. Please note that there may be some scratches due to being an imported product. Also, please note that this is not an Apple genuine product.