Headset Logitech H111, Mic, 1 x mini-jack 3.5mmP/N 981-000593 Height: 160 mm (6.3 in)Width: 210 mm (8.3 in)Depth: 50 mm (2.0 in)Weight: 73.2 g (2.6 oz)Input Impedance: 32 OhmsSensitivity (headphone): 100dB +/-3dBSensitivity (microphone): -58 dBV/µBar, -38 dBV/Pa +/- 4 dBFrequency response (Headset): 20Hz to 20kHzFrequency response (Microphone): 100 Hz –16,000 HzCord length: 1.8 m (5.90 ft)https://www.logitech.com/en-roeu/products/headsets/h111-stereo-headset.981-000593.html