Poly Blackwire 3210
A 28mm dynamic driver and noise-cancelling boom mic with Dynamic EQ deliver clear voice pickup across PC and mobile, backed by reliable wired USB-C and a tethered USB-A adapter. Weighing just 104 grams, its mono design leaves one ear open for environmental awareness, while the metal headband folds flat for easy portability. This headset suits office workers and call center agents who need a durable, all-day wired solution focused purely on voice calls, not music playback.
About This Headphones
A 28mm dynamic driver and noise-cancelling boom mic with Dynamic EQ deliver clear voice pickup across PC and mobile, backed by reliable wired USB-C and a tethered USB-A adapter. Weighing just 104 grams, its mono design leaves one ear open for environmental awareness, while the metal headband folds flat for easy portability. This headset suits office workers and call center agents who need a durable, all-day wired solution focused purely on voice calls, not music playback.
- Form factor on-ear
- Driver type dynamic
- Driver size 28 mm
- Impedance ohms 32
- Open closed back closed
Overview
Performance
Pros & Cons
Pros
- Strong comfort (97th percentile) 97th
- Strong mic (91th percentile) 91th
- Strong build (87th percentile) 87th
Cons
- Below average anc (31th percentile) 31th
- Below average social proof (31th percentile) 31th
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 Type | dynamic |
| Driver Size | 28 |
| Freq Min | 20 |
| Freq Max | 20000 |
| Impedance | 32 |
| Codecs | Poly Blackwire 3210 Monaural USB-C Headset +USB-C/A Adapter (Bulk) - Mono - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - On-ear - Monaural - Ear-cup - 5.20 ft Cable - Omni-directional Microphone |
Noise Control
| ANC | No |
| ANC Type | noise cancelling |
Connectivity
| Wireless | No |
| Wired Connector | USB-C |
| Detachable Cable | No |
| Cable Length | 1.54 |
Microphone
| Microphone | Yes |
| Mic Count | 1 |
| NC Mic | Yes |
| Boom Mic | Yes |
| Detachable Mic | No |
| Mic Pattern | Omnidirectional |
Features
| Touch Controls | No |
| App | Poly Lens |
Value & Pricing
vs Competition
| Spec | Poly Blackwire 3210 | TOZO HT3 HT3 | JBL Live 670NC | Soundcore Life Q20 Hybrid Active Noise Cancelling | QCY H3 H3 | truefree HF10 |
|---|---|---|---|---|---|---|
| Form Factor | on-ear | over-ear | on-ear | Over-Ear | over-ear | over-ear |
| Driver Type | dynamic | dynamic | Dynamic | Hybrid | dynamic | dynamic |
| Driver Size (mm) | 28 | 40 | 40 | 40 | 40 | 40 |
| Impedance Ohms | 32 | 16 | 32 | 16 | 32 | 20 |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 6.0 | 5.3 | 5.0 | 5.4 | 6.0 |
| Battery Life Hours | - | 90 | 50 | 40 | 60 | 125 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Poly Blackwire 3210 | 30.8 | 91.4 | 87.3 | 47.5 | 44.4 | 97.3 | 45.6 | 31 |
| TOZO HT3 HT3 Compare | 87.5 | 85.3 | 95.8 | 98.9 | 97.1 | 51 | 96.6 | 98.8 |
| JBL Live 670NC Compare | 97.6 | 85.3 | 77.1 | 73.4 | 83.9 | 74.7 | 97.2 | 93.6 |
| Soundcore Life Q20 Hybrid Active Noise Cancelling Compare | 92.4 | 87.2 | 92.1 | 92.5 | 76.5 | 86.8 | 91.1 | 98.8 |
| QCY H3 H3 Compare | 92.4 | 83 | 77.1 | 86.2 | 85.3 | 86.8 | 96.6 | 79.4 |
| truefree HF10 Compare | 92.4 | 85.3 | 95.8 | 82.3 | 99.7 | 79.7 | 94.5 | 87.2 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
