Noble Audio FoKus Apollo Wireless HeadphonesIntroducing the Noble Audio FoKus Apollo, a revolutionary step into the world of wireless over ear headphones. As Noble Audio's first over ear model, the FoKus Apollo features the world's first patented hybrid dual driver arrangement, combining a 40mm dynamic driver with a 14. 5mm planar magnetic driver. This unique combination delivers an unparalleled audio experience, blending powerful bass with delicate, crystal clear mid and high frequencies.