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Poly Blackwire C3215 UC Monaural USB-C Corded Headset with 3.5mm & USB-A Adapter (8X227AA)
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Poly Blackwire C3215 UC Monaural USB-C Corded Headset with 3.5mm & USB-A Adapter (8X227AA)
The Poly Blackwire C3215 UC Monaural USB-C Corded Headset (8X227AA) is a professional business headset designed for office communication, video conferencing, customer service, and hybrid work environments. Featuring USB-C connectivity, an included USB-A adapter, and integrated 3.5mm connectivity, this versatile headset supports PCs, laptops, smartphones, and tablets across modern and legacy devices.
Built for reliable daily communication, the Poly Blackwire C3215 UC includes a noise-cancelling microphone that helps reduce background noise during calls and meetings. Dynamic EQ technology automatically optimises audio performance for voice calls, music, and multimedia. Its lightweight monaural design keeps one ear free, making it ideal for professionals who need to remain aware of their surroundings while handling calls.
Key Features
- Professional monaural USB-C corded headset for office and unified communications use
- USB-C connectivity with included USB-A adapter for wider compatibility
- Integrated 3.5mm connection for compatible mobile phones, tablets, and laptops
- Noise-cancelling microphone helps minimise background noise during calls
- Dynamic EQ automatically optimises audio for calls and multimedia
- Inline controls for answer/end calls, mute, volume adjustment, hold, and redial
- Lightweight over-the-head monaural design for extended daily use
- Compatible with Microsoft Teams, Zoom, softphones, and UC platforms
- Supports Windows and macOS computers
- Suitable for office communication, remote work, and video conferencing
Best Suited For
- Office professionals requiring a reliable USB-C business headset
- Reception and administration teams
- Customer service and contact centre staff
- Remote and hybrid workers attending online meetings
- Users needing both USB-C and USB-A connectivity
- Professionals who prefer keeping one ear open while on calls
Why Choose the Poly Blackwire C3215 UC?
The Poly Blackwire C3215 UC combines flexible connectivity, professional audio quality, and everyday comfort in a practical wired headset solution. Its support for USB-C, USB-A, and 3.5mm connections allows easy compatibility across multiple devices, while the monaural design helps users stay connected to their workspace during calls and meetings.
Compatibility
The Poly Blackwire C3215 UC is compatible with supported Windows and macOS computers, laptops, smartphones, and tablets. It is suitable for use with unified communications platforms including Microsoft Teams, Zoom, video conferencing software, and compatible softphone applications.
Frequently Asked Questions
Does the Poly Blackwire C3215 UC support USB-C devices?
Yes. The headset connects via USB-C and also includes a USB-A adapter for compatibility with older computers and laptops.
Can I use this headset with smartphones and tablets?
Yes. The integrated 3.5mm connection supports compatible smartphones, tablets, and devices with a standard 3.5mm audio port.
Is the Poly Blackwire C3215 UC suitable for office calls and meetings?
Yes. The noise-cancelling microphone, lightweight design, and inline controls make it suitable for office calls, customer support, and video conferencing.
Is this a mono or stereo headset?
This is a monaural (mono) headset with a single earpiece, allowing users to stay aware of nearby conversations and office surroundings while on calls.
Does this headset work with Microsoft Teams and Zoom?
Yes. The Poly Blackwire C3215 UC is suitable for unified communications platforms including Microsoft Teams, Zoom, and compatible softphone applications.

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