The product contains an intelligent chip, which can always be used depending on the level of the system. [Function audio] This iPhone jack is used for cars, watches, speakers, amplifiers directly connects the iPhone/iPod/ iPad and compatibles with the ports jack 3,5 mm.[Appareils compatibles] This cable iPhone jack audio is adapted to all the devices with iOS interfaces (iOS 10.3.1 or later versions). Compatible with iPhone 12/12 Mini / 12 Pro / 12 Pro Max / iPhone SE 2020/11/11 Pro / 11 Pro Max / XS Max / XS / XR / X / 8/8 Plus / 7/7 Plus / 6 / 6S / 6 Plus / 6S Plus / 5 / 5S / 5C, iPad Mini / iPod Touch 6me and 7me. [Excellent sound This car auxiliary line uses conductors in copper tube and an internal blinding multicouch to reduce signal loss and ensure a stable and faithful sound transmission.