Headphone jack adapter is designed for iPhone users to keep using their 3.5 mm audio headphones or other devices.Upgraded-Super CompatibilityCan work with iPhone 7/7 Plus/ 8/8 Plus/ X/ Xs/ Xs Max/ XR/ 11/ 11 Pro/ 11 Pro Max/ iPod touch/ iPad with iOS 10 system or above.Simple, Portability and ConvenientHeadphone jack adapter is very convenient used in your daily life, put in your pocket or your bag and carried with your phone so that you can enjoy your music everywhere.How to Use1.Plug the adapter into your headphone or cable with 3.5 mm port.2.Connect the adapter to your phone/iPod touch.3.Wait your device to recognize the adapter for 3 to 5 second before playing music. Please Note The adapter does not support call function.What You Get3.5 mm Headphone Audio jack Converter (2 pack), 6 months After sales service, 7 * 24 hours technical service.