Apple vs. the Headphone Jack: How the Tides Are Changing for Headphone Technology

The lighting connector port sits on the bottom an iPhone 7 plus smartphone on display inside the Apple Inc. Covent Garden store in London, U.K., on Friday, Sept. 16, 2016. Consumers buying Apple Inc.s new iPhone 7 smartphones so far aren't grumbling about the lack of a headphone jack. Photographer: Chris Ratcliffe/Bloomberg via Getty Images