Project Rock Over-Ear Training Headphones 2019 Aug – 2021 Apr JBL and Under Armour has partnership regarding headphone business. the Rock Johnson- Project Rock is one superstar line of Under Armour. this headphone is designed for Under Armour and the Rock Jonson also target on hardcore workout users.I was the lead designer of from concept stage till mass production. Under Armour and Project Rock team are clients of his project,so I worked with another two design managers regarding cooeprate with clients team. Also I worked with engineer innovated a headbend clamping force adjustment mechanism. it was a requiremt from clients team.