Driver: Dynamic, 53mm with neodymium magnets, Form Factor: Over ear, circumaural, closed back, Frame Type: Aluminum, Ear Cushions: Memory foam and premium leatherette, USB: USB 2.0, Audio Controls: Onboard audio controls, Wireless Range: Up to 20 meters, Battery Life: 80 hours, Charge Time: 4.5 hours, Warranty: 02 Years, 6Y2G8AA.