Logitech H540 USB Computer Headset
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Dimensions
Height: 7.09 in (180 mm)
Width: 9.65 in (245 mm)
Depth: 3.07 in (78 mm)
Weight: 4.23 oz (120 g)
Cable length: 5.9 ft (1.8 m)
Technical Specifications
Microphone Type: Bi-directional
Input Impedance: 20 Ohms
Sensitivity (headphone): 115 dB +/-3 dB
Sensitivity (microphone): -42 dBV/Pa +/- 3 dB
Frequency response (Headset): 20 Hz - 20 kHz
Frequency response (Microphone): 100 Hz - 16 KHz