With Beats-branded earbuds, Apple has been trying to give its hardware a little more athletic cool. Now, it's latest Pro model can do something that no Apple headphones have ever been able to.

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.

For fitness enthusiasts who look for seamless tech integration, two wireless earbuds reign supreme: the Powerbeats Pro 2 and ...