iOS 18 beta code suggests wireless earbuds with a heart rate sensor are in the works

Code found in Apple's latest beta of iOS 18 contains a reference to unreleased AirPods Pro or Beats with a heart-rate sensor.Future AirPods and Beats devices could include a built-in heart-rate sensorOn Monday, Apple issued its release-candidate version of iOS 18, making it available to the general public. The operating system reportedly contains a string that references wireless earbuds equipped with a heart-rate sensor, which Apple has yet to announce.The string in question is used by an operating system component that controls the setup process for Apple's various wireless headphones and earbuds, such as those belonging to the company's AirPods and Beats lines of products. Rumor Score: