HE-503, Headsets Logitech H540 USB (981-000482)
-Height: 180 mm
-Width: 215 mm
-Depth: 78 mm
-Weight: 0.12 kg
-Cable length: 1.8 m
-System Requirements: Windows®, macOS, or Chrome OS™ and popular calling platforms.
-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