Logitech Zone Wired 2 for Business Wired USB headset with adaptive hybrid ANC and noise-canceling mics - Graphite UC version

Logitech Zone Wired 2 for Business Wired USB headset with adaptive hybrid ANC and noise-canceling mics - Graphite UC version Brand: Logitech Series: Zone Wired 2 for Business Part Number: 981-001611 Type: Headset Color: Graphite Driver Unit: 40mm Frequency Response: Headphone Frequency response (music mode): 20 Hz - 20 kHz Headphone Frequency response (talk mode): 100 Hz - 8 kHz Input Impedance: 36 ohms