Poly Blackwire 3220 Stereo USB-C Headset 209749/209745 Black w/ USB-A Adapter
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Wired Poly Blackwire 3220 binaural on-ear USB-C headset with USB-A adapter. Features inline controls, SoundGuard DIGITAL protection, noise-cancelling mic, 20-20kHz audio for UC/office use. Lightweight, adjustable.
For any questions about this item, availability, or delivery times, please contact us at 22 270068
The Poly Blackwire 3220 Stereo USB-C Headset (models 209749/209745) is a budget-friendly, wired binaural headset designed for office and call center environments. It connects via USB-C with included USB-A adapter for broad compatibility with PCs, Macs, and laptops. Featuring a lightweight on-ear design with adjustable metal headband and soft PU foam cushions for all-day comfort.
Key highlights include a noise-cancelling boom microphone with omnidirectional pickup (100-10kHz), inline controls for volume, mute, answer/end/reject calls, and SoundGuard DIGITAL technology limiting acoustic levels above 118 dB for hearing protection. Delivers clear stereo audio (20-20kHz, 32Ω impedance) optimized for UC platforms like Microsoft Teams and VoIP calls.
- Plug-and-play USB connectivity (Type-C/A)
- Noise-cancelling mic reduces background noise
- SoundGuard DIGITAL hearing protection
- Inline buttons: volume +/-, mute, call controls
- Compatible with Windows 10, UC certified
- Adjustable headband, lightweight (4.16oz headset)
| Product type | Headset |
| Wearing style | On-ear (Supraaural) |
| Recommended usage | Office/Call center |
| Headset type | Binaural |
| Product colour | Black |
| Operating keys | Answer/end call, Mute, Reject call, Volume +, Volume - |
| Volume control | Button |
| Control unit type | In-line control unit |
| Control type | Buttons |
| Cable colour | Red |
| Signal-to-Noise Ratio (SNR) | 118 dB |
| Hearing protection technologies | SoundGuard DIGITAL |
| Country of origin | China, Mexico |
| Certification | UC |
| Connectivity technology | Wired |
| Feature | Quick start guide, USB-C/A adapter |
| USB connector | USB Type-C, USB Type-A (adapter) |
| Ear coupling | Supraaural |
| Headphone frequency | 20 - 20000 Hz |
| Impedance | 32 Ω |
| Headphone sensitivity | 90 dB |
| Driver unit | 2.8 cm |
| Microphone type | Boom |
| Microphone frequency | 100 - 10000 Hz |
| Microphone sensitivity | -38 dB |
| Microphone direction type | Omnidirectional |
| Windows operating systems supported | Windows 10 |
| Width | 155 mm |
| Depth | 32 mm |
| Height | 178 mm |
| Package width | 178 mm |
| Package depth | 254 mm |
| Package height | 10 mm |
| Package weight | 152 g |
| Audio adapters included | USB-C/A |
| Ear pad material | Polyurethane (PU) |
| Cable length | 5 ft (1.5 m) |
| MPN | 209749-101 / 209745-101 |
| Weight (headset) | 4.16 oz (118 g) |
