Poly Blackwire 3220 Stereo USB-C Headset 209749/209745 Black w/ USB-A Adapter (Bulk)
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.
Please Note
The website is currently being actively developed, you are welcome to place the order and in 99% of the cases your order will be processed as usual, but in some cases there may be a delay or the price may change. We will notify you if there are any issues.
Discontinued
This item was discontinued and currently is not available for order on our website. The item may become available soon. Please contact us if you need more information regarding the upcoming arrivals.
| Headsets & Microphones - Product Type | Headset |
|---|---|
| Headsets & Microphones - Wearing Style | On-ear |
| Headsets & Microphones - Microphone Type | Headset Mic |
| Headsets & Microphones - Special Features | Mute Button |
| Headsets & Microphones - Connectivity | USB-A USB-C |
| Headsets & Microphones - Surround/Spatial | Stereo |
| Headsets & Microphones - Platform Compatibility | MacOS PC |
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) |