FYBFUP Headphone Adapter Connector Earphones Aux Audio Adapter 100% Copper wire core offers Nondestructive digital sound quality and ensure the stability of the transmission. Using high-tech materials imported from Japan to make sure long lasting using and fast charging. No extra software, you just need to plug and enjoy much clear and fidelity sound quality. Slim, light and portable to carry around, you can put it into a backpack or handbag relievedly if you often go out. No calling function and No music control, can work with the latest iOS 11/12 WARRANTY: We only sell high quality products, but if for whatever reason this iphone adapter does not meet your requirements,Please contact us with any question.