- Apple patents wireless earbuds with noise-cancelling sensor smarts http://techcrunch.com/2015/08/27/apple-wireless-earbuds-at-last/ 7 comments apple
- Apple granted patents for earbud design w/ biometric features and improved noise cancellation https://9to5mac.com/2017/03/16/apple-biometric-earbud-noise-cancellation/ 17 comments apple