Sennheiser PC 7 USB Headset Wired Headband Office/Call Centre USB Type-A Black

Compatible products: Mac OSX, PC / Soft phone | Noise canceling: Yes | Microphone noise-canceling: Yes | Warranty period: 2 year(s) | Ear pad size: 5 cm | Master (outer) case packaging type: Carton | Product type: Headset | Products per master (outer) case: 20 pc(s) | Package weight: 173 g | Height: 160 mm | Width: 140 mm | Product colour: Black | Harmonized System (HS) code: 8518300090 | Cable length: 2 m | Master (outer) case length: 520 mm | USB connectivity: Yes | Wearing style: Head-band | Weight: 62 g | Rechargeable battery: No | Storage temperature (T-T): -35 - 65 °C | Depth: 50 mm | USB connector: USB Type-A | Cable colour: Black | Headphone frequency: 42 - 17000 Hz | Package depth: 251 mm | Connectivity technology: Wired | Package height: 220 mm | Recommended usage: Office/Call center | Operating temperature (T-T): 0 - 40 °C | Shipping (inner) case length: 8 cm | Impedance: 32 Ω | Headset type: Monaural | Microphone sensitivity: -40 dB | Microphone type: Boom | Acoustic system: Closed | Microphone input impedance: 2200 Ω | Microphone direction type: Unidirectional | Microphone frequency: 90 - 15000 Hz | Driver type: Dynamic | Headphone sensitivity: 95 dB