"After you take a hearing test, your AirPods Pro are transformed into a personalized hearing aid, boosting the specific sounds you need in real time, like parts of speech, or elements within your environment," Apple's vice president of health, Sumbul Desai, said in the feature's launch video.

The announcement is the latest example of Apple's strategy to break into the health industry, a potential $15 trillion market by the year 2030, according to RBC Capital Markets. Apple CEO Tim Cook has highlighted health features as the company's "most important contribution to mankind."