Get exceptional audio – during and between calls Is background noise affecting productivity? Help teams keep noise out and focus with the Poly Blackwire 8225 premium headset. The noise-cancelling microphone enhanced with Acoustic Fence technology makes sure users sound clear in any environment. And the advanced hybrid Active Noise Cancelling (ANC) lets users adjust the setting to fit their environment. So, for calls and stereo music, the sound quality is premium. Headphones: - Driver unit: 3.2 - Ear coupling: Supraaural - Headphone sensitivity: 84 - Impedance: 32 Microphone: - Microphone direction type: Omnidirectional - Microphone frequency: 100 - 10000 - Microphone sensitivity: -38 - Microphone type: Boom Performance: - Cable length: 2.19 - Headset type: Binaural - Operating keys: Answer/end call/Volume -/Volume + - Product colour: Black - Product type: Headset - Recommended usage: Office/Call center - Wearing style: Head-band Ports & interfaces: - Connectivity technology: Wired - USB connectivity: Yes - USB connector: USB Type-C System requirements: - Mac operating systems supported: Yes - Windows operating systems supported: Windows 10 Vendor information: - Brand Name: HP - Product.Details.Specifications.Level1: Server, Computer & Printer Parts - Product.Details.Specifications.Level2: Servers & Computers - Product.Details.Specifications.Level3: Headsets & Microphones - Product.Details.Specifications.Level4: Headsets