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, [Ludwin] noted that ...

We reported earlier this month on the new code. Code found in the latest beta refers to new wireless earbuds with a heart-rate sensor. “Wear both earbuds during workouts to track and send your heart ...

For years, companies have tried to integrate heart rate monitoring into earbuds, but they never quite got it right. I tried several of these early attempts, only to find that the fit was never secure ...