Product: H540 USB Computer Headset,
Features: High-definition sound, plug-and-play connectivity for instant enjoyment of music, movies, and calls in rich digital stereo sound, on-ear controls, mute indicator light,
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,