Product Detail Noise-compensation microphone with extremely low handling noise Microphone can be worn on either left or right hand side Easily replaceable, single-sided coiled cable Very good attenuation of background noise Nominal headphone impedance 300ohm . The "Sennheiser HMD 280-XQ - Headset ear-cup " is best product for you. We recommended Sennheiser HMD 280-XQ - Headset ear-cup