Hot on the heels of rumors that Powerbeats Pro 2 could beat AirPods to the punch for heart-rate monitoring, fresh images have landed – and they look good.

This app is a favorite of heart rate researchers (it was even used in the study mentioned above). Like Cardiio, this heart rate monitor is free to use, but nearly everything else is behind a ...

Beats just released its long-anticipated Powerbeats Pro 2. Here's how to measure your heart rate with these earbuds during a ...