DELL ALIENWARE PRO WIRELESS GAMING HEADSET, CONNECTIVITY TECHNOLOGY:WIRED/WIRELESS (BLUETOOTH), FEATURES: 50MM GRAPHENE-COATED DRIVERS, 2-MIC AI NOISE CANCELLATION, ANC, FAST CHARGING TIME: 15 MINUTES FOR UP TO 6 HOURS LISTENING TIME, EARPIECE DESIGN: OVER-THE-EAR, DETACHABLE MICROPHONE: YES.