The tag team partners of Dwanye Johnson and Under Armour have teamed up again for a new product in their collaborative line. the activewear company announced today the Project Rock True Wireless In-Ear Headphones. The fitness-focused earbuds are designed to be sweat proof and to stay in the wearer's ear even in the most intense workouts. Under Armour claims the headphones get about 5 hours of continuous playback on a full charge. they also come with a charging case that can add up to 20 hours of listening. The wireless earbuds retail for $199 and will start shipping on June 7th.