The Logitech headset with a unidirectional microphone provides a frequency response of 20 Hz - 20 kHz for headphones and 100 Hz - 16 kHz for the microphone. It features a 7.71 ft (2.35 m) cable and a sensitivity of 100 dB +/- 3 dB for headphones. Comes with a 2-year limited hardware warranty. Part number: 981-000612.