Until now, the AirPods Pro were all about keeping the noise out, but Apple’s noise-cancelling earbuds are now going in the opposite direction with a new hearing aid feature. Apple says the latest AirPods Pro 2 can be used as “clinical-grade” hearing aids by boosting sounds like voices or certain ambient noises when the feature is turned on. Pending approval by regulatory authorities, the feature is set to be introduced in the US and Canada later in 2024, followed by other countries, Apple says. The company is also planning to integrate a hearing test into the AirPods, whereby the user taps the…