Logitech H111 Stereo headset 981-000612

Technical Specifications Input Impedance: 32 Ohms Sensitivity (headphone): 100dB +/-3dB Sensitivity (microphone): -58 dBV/µBar, -38 dBV/Pa +/- 4 dB Frequency response (Headset): 20Hz - 20kHz Frequency response (Microphone): 100 Hz –16kHz compatibility: Works with Common calling applications across almost all platforms and operating systems. Works with computers, smartphones, tablets Single 3.5 mm jack Dimensions: Height x Width x Depth:6.38 in (162 mm) x 5.67 in (144 mm) x 1.81 in (46 mm) Cable length: 5.90 ft (1.8m )