How fast does your heart beat? It’s a tough question to answer, because our heart rate changes all the time depending on what we’re doing and how our body is behaving. However, ...

Heart rate tracking in earbuds has been attempted for over a decade, but the Powerbeats Pro 2 may have finally gotten it right with a better fit and sensors.

In his coverage of the Powerbeats Pro 2 announcement today, Bloomberg 's Mark Gurman reiterated that new AirPods with heart rate monitoring are "still many months away" from launching.