Don't be distracted when calling Does background noise affect your productivity? Reduce noise and increase your concentration with the Poly Blackwire 8225 headset with a noise-cancelling microphone equipped with Acoustic-Fence technology and advanced hybrid Active Noise Canceling (ANC). System Requirement -Windows operating systems supported: Windows 10 -Support Mac operating systems: Yes Ports and interfaces -Connectivity technology: Wired - USB connection: yes. -USB port type: USB Type-C Weight and dimensions: - Width: 155 mm. - Depth: 32 mm. - Height: 18 mm. - Weight: 186 g. Packaging data: - Package width: 183 mm - Package depth: 209 mm. - Package height: 55 mm. - Package weight: 333 g. Microphone. - Microphone type: Boom - Microphone frequency: 100 - 10000 Hz - Microphone sensitivity: -38 dB. -Built-in microphone alignment: Omnidirectional Headphones. -Ear coupling: Supraaural - Impedance: 32 ohms. Headphone sensitivity: 84 dB Benefits - Product type: headphones. -Wearing style: Headband -Recommended use: office/call center -Product colour: Black - Headset type: Binaural. - Operation key: answer/end call, mute, volume +, volume - - Noise Ratio (SNR): 118 dB