Review on DESOFICON 2 Pack Lightning to 3.5mm Headphones Jack Adapter for iPhone - Apple MFi Certified, 2-in-1 Charger and Aux Audio Splitter Adapter for iPhone 7, 7 Plus, 8, 8 Plus, 12, 12 Pro, 11, X, XR, XS - Supports iOS 14 System by Mike Hernandez

It's too cheap to return but I wasn't particularly impressed. I bought it because there were enough positive reviews to believe it wasn't junk. I was wrong. Even when I manage to fully plug the earbud into the jack (which is rare), the sound quality leaves a lot to be desired. I've given up and will start throwing away the ones that are completely useless. If I'm lucky I'll have an acceptable jack or two if I can't find anything else to plug headphones into my iPhone 11. (I have small ear canals, so I have to use headphones that fit my ears, vs. the iPhone.) In short: speaking of which, buy high-quality and more expensive ones instead. If you want to pretend you bought them, just light your money with a match.