Apple MFi Certified DAC Chip: NO damage to iPhone, NO error message popping up(br) You dont need an extra lightning connector(br)The premium 3(br)5mm aux cable are Certified by Apple to meet rigid iPhone requirements, and enables you to transfer music in phone to car/home/computer stereo, headphone, Hi-Fi, speaker directly without any other hub or system(br)High Efficiency and Fity: This aux cord is made of 24K gold plated contacts and high quality four core copper wires, that guarantees less signal loss and noise interference(br) With the advanced DAC Chip(br) The auxiliary cable allows you to quickly read data, and provides the stability and fity of sound transmission (br)Super Sound Quality: You could enjoy excellent sound quality if you have this Aux Cable(br) 24K gold-plated contacts ensure the cleanest sound possible, seamlessly transmits stereo audio for high quality sound(br) You will enjoy music at ease(br)Extensive Compatibility: Compatible with all devices having regular or recessed 3(br)5mm audio jacks including smartphones, tablets, laptops, computers, mp3 players, headphones and portable speakers(br) Compatible for iPhone 12 mini /12/ 12 Pro/12 Pro Max/ 11/11 Pro/11 Pro Max/XS/XS Max/XR/X 8 7 6/ iPad, iPod and other lightning devices(br)Quality and Guarantee: Each iphone aux cord is tested manually to ensure that it can work perfectly(br) We provide a 36-Month Worry-Free Warranty, Also comes with 3-Years money-back gurantee or replacement(br)Products from Chunchuan's store