Beats today unveils Powerbeats Fit, an evolution of its popular Beats Fit Pro earbuds and the new addition to the bestselling Powerbeats family. To complement the launch of this fitness-forward product, Beats has enlisted three of its dynamic professional football ambassadors—Saquon Barkley, Justin Jefferson, and Jayden Daniels—for a global campaign highlighting its signature features. In a three-minute spot titled “They Stay in Your …