Logitech H540 USB Computer Headset

Packaging content: USB computer headset User documentation 2-year manufacturer’s guarantee | Connectivity technology: Wired | Product colour: Black | Weight: 120 g | Cable length: 1.8 m | Headphone sensitivity: 115 dB | Recommended usage: Office/Call center | Microphone sensitivity: -42 dB | Master (outer) case gross weight: 1.6 kg | Microphone frequency: 100 - 16000 Hz | USB connector: USB Type-A | Depth: 78 mm | USB connectivity: Yes | Master (outer) case length: 322 mm | Product type: Headset | Quantity: 1 | Microphone type: Boom | Package weight: 312 g | Windows operating systems supported: Yes | Volume control: Digital | Package depth: 180 mm | Headphone frequency: 20 - 20000 Hz | Impedance: 20 Ω | Height: 180 mm | Package height: 215 mm | Headset type: Binaural | User guide: Yes | Wearing style: Head-band | Mac operating systems supported: Yes | Harmonized System (HS) code: 85183000 | Cable colour: Black | Width: 215 mm