Unlike the original OpenRun Pro (which are now discounted to $159.95), these don’t rely on bone conduction alone. Bone conduction drivers usually sit by your temples and rely on vibration to transmit sound into your skull.

The new Shokz OpenRun Pro 2 are the follow-up to the widely popular bone conduction headphones used by dedicated athletes, like marathoners and triathletes. They're now available for $180. The OpenRun Pro 2 are comfortable as ever, with a longer battery life than its predecessor.

Shokz's running headphones deploy a hybrid design that melds aspects of bone conduction with air conduction. The bone conduction aspect handles mids and higher frequencies, whereas the air conduction controls the lower bass, resulting in an experience that Shokz claims blends absolute clarity with genuine power.

Shokz has announced the Shokz OpenRun Pro 2, a new contender for the best bone conduction headphones designed for runners, and the best running headphones. With audio upgrades promising deeper bass, and a longer battery life than the original OpenRun Pro,