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| Item number: CIEN4-117350678 Manufacturer no.: 8X219AA EAN/GTIN: 197498429090 |
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 | Style, comfort and audio quality Built for style with a sleek design that focuses on comfort and reliability. Poly signature audio quality so you know you will sound great. And intuitive and simple features so every user can connect to their preferred device simply and easily. More information: Weight & dimensions | Weight | 131 g | System requirements | Windows operating systems supported | Windows 10 |  | Mac operating systems supported | Yes | Headphones | Ear coupling | Supraaural |  | Headphone frequency | 20 - 20000 Hz |  | Impedance | 32 Ω |  | Headphone sensitivity | 116 dB |  | Noise canceling | Yes | Performance | Product type | Headset |  | Wearing style | Head-band |  | Recommended usage | Office/Call center |  | Product colour | Black |  | Headset type | Binaural |  | Operating keys | Answer/end call, Mute, Volume +, Volume - |  | Signal-to-Noise Ratio (SNR) | 118 dB |  | Country of origin | China, Mexico | Ports & interfaces | Connectivity technology | Wired |  | USB connectivity | Yes |  | USB connector | USB Type-C | Microphone | Microphone type | Built-in |  | Microphone frequency | 100 - 10000 Hz |  | Microphone sensitivity | -38 dB |  | Microphone direction type | Omnidirectional |
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