Poly Blackwire 3225 Stereo USB-C Headset +3.5mm Plug +USB-C/A Adapter (Bulk)

Product colour: Black | Package weight: 242 g | Microphone direction type: Omnidirectional | Operating keys: Volume - | Recommended usage: Office/Call center | Headphone sensitivity: 90 dB | Driver unit: 2.8 cm | Depth: 32 mm | Package height: 207 mm | Height: 178 mm | Product type: Headset | Operating keys: Volume + | USB connector: USB Type-C | 3.5 mm connector: Yes | Mac operating systems supported: Yes | Weight: 92 g | Package depth: 56 mm | Wearing style: Head-band | Microphone type: Boom | Microphone sensitivity: -38 dB | Microphone frequency: 100 - 10000 Hz | Connectivity technology: Wired | Width: 155 mm | Operating keys: Mute | Headset type: Binaural | Windows operating systems supported: Windows 10 | Headphone frequency: 20 - 20000 Hz | USB connectivity: Yes | Operating keys: Answer/end call | Signal-to-Noise Ratio (SNR): 118 dB | Hearing protection technologies: SoundGuard DIGITAL