MAIN OVERVIEW FEATURES: Connectivity Technology: WiredSound Mode: StereoMinimum Frequency Response: 20 HzMaximum Frequency Response: 20 kHzEarpiece Design: Over-the-headEarpiece Type: BinauralMicrophone Design: Boom/On-cableMicrophone Technology: Noise CancellingColor: BlackForm Factor: Supra-auralHeight: 7.40" (187.96 mm)Width: 2.68" (68.07 mm)Weight (Approximate): 172.4 gEnvironmental Certification: WEEE,RoHSCountry of Origin: ChinaLimited Warranty: 2 Year