FeaturesMaterial: Plastic (Green)Type: Microphone HeadsetFrequency Range: 20Hz-20kHzImpedance: 32¦ØInterface Type: StraightSound pressure: 95¡À3DBMic Sensitivity: -58¡À3DBDriver Diameter: 40.0mmImpedance: 40 OhmCable length: 2.0mCosonic CD-770 High-Quality Stereo Surround Gaming Headsets PC Earphone with MicrophonesDescriptionMaterial: Plastic (Green)Type: Microphone HeadsetFrequency Range: 20Hz-20kHzImpedance: 32¦ØInterface Type: StraightSound pressure: 95¡À3DBMic Sensitivity: -58¡À3DBDriver Diameter: 40.0mmImpedance: 40 OhmCable length: 2.0m