Logitech USB Headset H540 - Black

·         MPN: 981-000482 ·         Model: Logitech H540 ·         Frequency: 20Hz to 20kHz ·         Sensitivity: 115dB +/-3dB ·         Cable Length: 5.90 ft Dimensions 180 x 215 x 78 mm Weight 0.12 Kg Cable Length 1.8m Impedance 20 Ohms Microphone Type Bi-directional System Requirements Works with Common calling applications across almost all platforms and operating systems.Windows® or macOS®Chrome OS™USB port 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