MAIN OVERVIEW FEATURES: Connectivity Technology: WiredSound Mode: StereoImpedance: 32 Kilo OhmMinimum Frequency Response: 20 HzMaximum Frequency Response: 20 kHzEarpiece Design: Over-the-headEarpiece Type: BinauralDriver Size: 1.97" (50 mm)Microphone Design: BoomMicrophone Technology: Uni-directional,Noise CancellingHost Interface: USBColor: CarbonForm Factor: CircumauralPackage Contents: VOID PRO Surround Gaming Headset Dolby Headphone 7.1 PC USB adapter Quick Start Guide Warranty Card Limited Warranty: 2 Year