Poly Blackwire 3210
A noise-canceling microphone with Dynamic EQ and a lightweight 56g metal headband define this wired, USB-C headset for clear enterprise calls. Its monaural, on-ear design with fold-flat leatherette cushions prioritizes all-day comfort and portability while keeping one ear open for environmental awareness. This headset is best for office or call center workers who need durable, plug-and-play connectivity and reliable voice clarity over music performance.
form factor on-ear
driver size mm 32
impedance ohms 32
active noise cancellation Yes
open closed back closed
54 Overall Score
Price CA$0
Snapshot
Pros & Cons
Pros
- Strong comfort (98th percentile) 98th
- Strong mic (96th percentile) 96th
- Strong build (91st percentile) 91st
- Strong anc (85th percentile) 85th
Cons
- Below average social proof (26th percentile)
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | on-ear |
| Open/Closed | closed |
| Foldable | Yes |
| Weight | 0.1 kg / 0.2 lbs |
| Ear Cushion | Leatherette |
| Headband | metal |
Audio
| Driver Size | 32 |
| Freq Min | 20 |
| Freq Max | 20000 |
| Impedance | 32 |
| Hi-Res Audio | Yes |
| Codecs | Poly Blackwire 3210 Headset - Mono - USB Type C, Mini-phone (3.5mm) - Wired - On-ear - Monaural - Ear-cup - 5.28 ft Cable - Noise Cancelling Microphone - Noise Canceling - Black |
Noise Control
| ANC | Yes |
| ANC Type | Hybrid |
Connectivity
| Wireless | No |
| Wired Connector | USB-C |
| Detachable Cable | Yes |
| Cable Length | 1.61 |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
| Boom Mic | Yes |
| Detachable Mic | Yes |
| Mic Pattern | Omnidirectional |
Features
| App | Poly Lens |
vs Competition
| Spec | Poly Blackwire 3210 | Sony ULT WEAR WHULT900N/B | Technics EAH-A800 | Sennheiser HDB 630 | JBL Tune 670NC | TOZO HT3 |
|---|---|---|---|---|---|---|
| Form Factor | on-ear | over-ear | over-ear | over-ear | on-ear | over-ear |
| Driver Type | - | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 32 | 40 | 40 | 42 | 32 | 40 |
| Impedance Ohms | 32 | 314 | 34 | 480 | 32 | 16 |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.2 | 5.2 | 5.2 | 5.3 | 6.0 |
| Battery Life Hours | - | 30 | 50 | 60 | 70 | 90 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Poly Blackwire 3210 | 85.1 | 95.9 | 90.9 | 72.8 | 45.8 | 97.6 | 56 | 26.4 |
| Sony ULT WEAR WHULT900N/B Compare | 98.1 | 83.3 | 76.1 | 95.9 | 76.5 | 52.3 | 99 | 89.3 |
| Technics EAH-A800 Compare | 94 | 98.4 | 76.1 | 97.2 | 86.5 | 52.3 | 97.7 | 65.1 |
| Sennheiser HDB 630 Compare | 98.1 | 83.3 | 76.1 | 98.2 | 91.2 | 13.1 | 94.3 | 89.3 |
| JBL Tune 670NC Compare | 98.1 | 64.6 | 76.1 | 85.1 | 94.2 | 87.3 | 99.3 | 98.6 |
| TOZO HT3 Compare | 89.6 | 83.3 | 94.4 | 98.7 | 97.8 | 52.3 | 97.1 | 94.7 |
Price
Value & Pricing
We started tracking prices for this product on May 12, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
