Wonderful Computer PC 3.5mm Stereo Headphone Headset with Microphone. PC Stereo Headphone Microphone features: super timbre with international level, comfortable wearing feeling, with rolling de-noise new style microphone. This Computer Headset Microphone is a good choice for you! Description:100% New High Qulity PC Stereo Headphone MicrophoneSuper timbre with international levelComfortable wearing feeling, with rolling denoise new style MicrophoneNature design with self adjustable cushion ear padHeadphone Microphone built-in 40mm Hi-Fi magnetic speakerHigh-quality timbre, super stirHeadset Microphone with nontoxic green cableStretching resistanceComputer Headset Microphone with strong conductiong mediumLong life and heavy dutySpecification:Speaker: Ø 40mmSensitivity: 105dB S.P.L at 1KHzImpedance: 32ΩFrequency Response: 20Hz-20,000HzRated Power: 15mWCable Length: approx. 2mMicrophone Unit: 6 x 5mm-58dB ± 3dBPlug Type: Ø 3.5mm StereoWeight: 386g