Logitech Headset USB H540
Premium audio for calls & MusicHigh-Definition sound qualityNoise cancelling Mic -Minimizes unwanted background noise for clear conversationsAdjust the volume or mute your calls with simple on-ear controls located on the right ear cupUltra-comfortable, adjustable design.USB provides easy plug-and-play operation. Input Impedance: 20 OhmsSensitivity (headphone): 115dB +/-3dBSensitivity (microphone): -42dBV/Pa +/- 3dBFrequency response (Headset): 20Hz to 20kHzFrequency response (Microphone): 100Hz to 16.kHzCable length: 5.90 ft (1.8m)
175.-