Original image has been replaced. Credit: Mashable The Rock AKA Dwayne Johnson's custom headphones, designed to endure tough workouts, are here. The Project Rock Edition UA Sport Wireless Train ...

When Dwayne "The Rock" Johnson debuted his new Project Rock headphones, they came with the promise of helping you "crush your workouts." But I was curious: as someone who isn't quite as ...

When Dwayne "The Rock" Johnson debuted his new Project Rock headphones, they came with the promise of helping you "crush your workouts." But I was curious: as someone who isn't quite as ...