MAIN OVERVIEW FEATURES: Connectivity Technology: WiredCable Length: 3.28 ftSound Mode: MonoMinimum Frequency Response: 300 HzMaximum Frequency Response: 3.40 kHzEarpiece Design: Over-the-head,Over-the-earEarpiece Type: MonauralMicrophone Design: BoomColor: Black,Dark GrayForm Factor: Semi-open