The Belkin Difference: Over 30 years of innovation and technological leadership Use your iPhone to play music without an adapter. iPhone models XS, XS Max, XR, X, 8/8 Plus, and 7/7 Plus are all supported by a single cable solution. connects to portable speaker systems and automobile stereos. Compatibility following iOS updates is ensured by MFI certification. Convenient lengths of 3 feet/0.9 meters and 6 feet/1.8 meters are offered.