Logitech H111 Stereo Headset

Height: 162 mm
Width: 144 mm
Depth: 46 mm
Weight: 0.074 kg
Cable length: 2.35 m
Microphone Type: Bi-directional
Sensitivity (headphone): 32 Ohms
Sensitivity (headphone): 100 dB +/-3 dB
Sensitivity (microphone): -58 dBV/µBar, -38 dBV/Pa +/- 4 dB
Frequency response (Headset): 20 Hz – 20 KHz