Work as you like The Blackwire 3200 Series offers the best audio quality in a headset designed for business needs. There's nothing wrong with the slim design and flexible microphone boom for a custom fit. System Requirement -Windows operating systems supported: Windows 10, Windows 11 -Mac operating systems supported: MacOS Ports and interfaces -Connectivity technology: Wired - USB connection: yes. Weight and dimensions: - Width: 155 mm. - Depth: 32 mm. - Height: 178 mm. - Weight: 97 g. Packaging data: - Package width: 185 mm - Package depth: 56 mm. - Package height: 207 mm. - Package weight: 221 g. Microphone. - Microphone type: Boom - Microphone frequency: 100 - 10000 Hz - Microphone sensitivity: -38 dB. -Built-in microphone alignment: Omnidirectional Headphones. - Impedance: 32 ohms. Headphone sensitivity: 90 dB - Driver unit: 2.8 cm. Benefits - Product type: headphones. -Wearing style: Headband -Recommended use: Business/Everyday -Product colour: Black - Headset type: monaural. - Operation key: answer/end call, mute, volume +, volume - - Noise Ratio (SNR): 118 dB - Country of origin: China, Mexico.