https://www.macrumors.com/2013/08/15/apple-files-for-patent-on-flexible-headphone-connectors/
Apple Files for Patent on Flexible Headphone Connectors - MacRumors
The U.S. Patent and Trademark Office today published an Apple patent application (via AppleInsider) covering an idea for flexible headphone...
apple filesheadphone connectorspatentflexiblemacrumors