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, ...

As we previously detailed, Powerbeats Pro 2 will have a built-in heart-rate sensor. The earbuds will send the user’s heart rate to the Apple Health app.

Heart rate is great for gauging effort during exercise, but wrist-based optical sensors can be thrown off by everything from skin color to the weather, and chest straps—generally considered the ...

Google today detailed its research into audioplethysmography (APG) that adds heart rate sensing capabilities to active noise canceling (ANC) headphones and earbuds “with a simple software ...