Cord Length: 7 ft. Headphone Frequency Response: 20Hz–20KHz Headphone Input Impedance: 32 ohm Microphone Impedance: ~2.2K ohm Microphone Frequency Response: 100Hz-16KHz Microphone Sensitivity: -67dBV/Microbar: -47dBV/Pascal +/- 4dB Features: Voice recognition certified DNCT4: Direct Noise Canceling Microphone Technology Stereo headset Adjustable headband 180 degree microphone Leatherette ear pads Adjustable boom arm Ambidextrous design (wear on right or left side) Parts: 1 year limited