How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want maximum device flexibility and a mono headset that works just as happily on a desk phone as on a laptop, choose Yealink UH36-MONO; if you need a modern USB-C connection, stereo-style padding for all-day wear, and hearing-protection features baked in, choose Plantronics Poly Blackwire 3320.
• Yealink UH36-MONO, biggest strength: dual connectivity — USB plus a 3.5 mm jack — so one headset covers IP phones, PCs, tablets and smartphones without an adapter.
• Yealink UH36-MONO, biggest trade-off: it's a mono design with a fixed USB/3.5 mm approach, so there's no USB-C option and no stereo listening for media.
• Plantronics Poly Blackwire 3320, biggest strength: native USB-C plug-and-play with a 180° rotating mic, Dynamic EQ and SoundGuard ear protection.
• Plantronics Poly Blackwire 3320, biggest trade-off: USB-C only — no 3.5 mm fallback, so older USB-A laptops and desk phones need a different cable or adapter.
• Pick the Yealink if you move between a Yealink IP phone and a computer all day and want one cord to rule them all.
• Pick the Blackwire 3320 if your whole setup is USB-C and you want a modern, comfort-first headset for long shifts.
The Yealink UH36-MONO is built around a simple idea: one headset, many devices. It ships with both USB 2.0 and 3.5 mm connectivity, which means you can plug it into a PC, a tablet or a smartphone through the 3.5 mm jack, and into a Yealink IP phone through USB. Yealink lists broad compatibility across its phone range — models like the T4S, T5 series and VP59 line — with the note that some older T4S units should be on firmware version 82 or higher. If your desk has a Yealink phone on it, that integration is the whole point.
Audio-wise, it's a mono headset with wideband HD Voice and a dynamic driver covering 20 Hz to 20,000 Hz. The microphone is noise-cancelling, and the headset adds passive noise cancellation on top, which helps in open offices where background chatter is the real enemy. The boom arm bends up to 330°, so you can shape it to your mouth without the fear of snapping it — a small detail that matters if you're adjusting it dozens of times a day. Weight sits around 200 g with an over-ear, rounded-tip earpiece in black plastic.
Who should buy it? Anyone whose workday bounces between a desk phone and a computer, call-center and UC professionals included, and anyone who wants a wired headset that simply works when plugged in. Who should skip it? If your laptop only has USB-C, or if you want stereo sound for music between calls, this isn't the one — a mono earpiece and USB-A/3.5 mm only is a deliberate limitation, not a flaw, but it's a limitation all the same.
The Poly Blackwire 3320 takes the opposite approach: it commits fully to USB-C. It's certified for Microsoft Teams and Skype for Business, and it's plug-and-play — no drivers, no setup dance. You plug it into a USB-C port and it works, with call controls sitting on a remote inline module rather than on the earcup, which is handy when you're mid-conversation and don't want to fumble near your ear.
The microphone rotates a full 180°, so left- or right-side wearing is a genuine choice rather than a compromise, and Poly rates its noise cancellation as excellent. Two features stand out in the spec sheet: Dynamic EQ, which automatically optimizes sound levels as conditions change, and SoundGuard, which protects your ears against sudden loud spikes. For anyone spending six or seven hours a day on calls, that combination is more than marketing — it's the kind of thing you notice on day three, not day one.
Comfort is clearly a priority. Padded ear cushions and a padded headband on a lightweight frame — around 210 g — with an over-ear fit and a metal-and-plastic build. There's also a limited warranty listed, which tells you Poly expects this to survive office life.
Who should buy it? USB-C laptop owners, hybrid workers, Teams-heavy offices, and anyone who wants a headset that feels current rather than utilitarian. Who should skip it? If you still rely on a USB-A port, a 3.5 mm jack, or a desk phone, the Blackwire 3320's single USB-C connection will leave you hunting for adapters.
• Best for device flexibility → Yealink UH36-MONO. USB plus 3.5 mm covers phones, PCs, tablets and smartphones.
• Best for Yealink IP phone users → Yealink UH36-MONO. It's designed to integrate directly with Yealink's phone range and management platform.
• Best for modern USB-C setups → Plantronics Poly Blackwire 3320. Plug-and-play USB-C with no adapter needed.
• Best for long-shift comfort → Plantronics Poly Blackwire 3320. Padded cushions, padded headband and a lightweight frame built for all-day wear.
• Best for hearing protection → Plantronics Poly Blackwire 3320. SoundGuard and Dynamic EQ are features the Yealink simply doesn't list.
• Best for mic placement on either side → Plantronics Poly Blackwire 3320. The 180° rotating boom beats a fixed-side design for left-ear users.
• Best for a mono, single-ear focus → Yealink UH36-MONO. One earpiece keeps you aware of your surroundings while you talk.
• Best for open-office background noise → Either. Both use passive noise cancellation and a noise-cancelling mic; neither offers active noise cancellation.
In my opinion, the Plantronics Poly Blackwire 3320 is the better buy for most people in 2026. USB-C is where laptops have landed, and the combination of plug-and-play Teams certification, a 180° rotating mic, Dynamic EQ, SoundGuard and genuinely comfort-focused padding makes it the more future-proof daily driver. I'd only steer you to the Yealink UH36-MONO if a Yealink IP phone sits on your desk or you genuinely need the 3.5 mm jack — in that case, its dual connectivity is worth more than any spec sheet advantage. Check the current price on Amazon before deciding, since the value gap between them shifts.
FAQ
Not directly. It's a USB-C headset with no 3.5 mm fallback, so a USB-A-only machine needs an adapter or a different cable. If that's your setup, the Yealink's dual connectivity is the safer pick.
Based on the specs, the Blackwire 3320 leans harder into comfort with padded ear cushions, a padded headband and a lightweight over-ear frame. The Yealink is also over-ear and roughly comparable in weight, but Poly's design is explicitly built around long sessions.
No. Both rely on passive noise cancellation plus a noise-cancelling microphone. That handles office chatter and keyboard noise, but it won't silence a noisy commute the way ANC headphones would.
As an Amazon Associate I earn from qualifying purchases.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
When you buy through links on this page, we may earn a commission from qualifying purchases at no extra cost to you.
Amazon and the Amazon logo are trademarks of Amazon or its affiliates. This site is an independent third-party review and is not affiliated with, endorsed by, or sponsored by Amazon or the product brands mentioned.
See also: CCA C12 vs KZ Decet in-Ear Monitors: High Impedance Studio, HyperX Cloud Mini Kids vs Tobysome QC35, Cyber Acoustics HS-1500USB vs MKJ USB Headset: Office Noise, BERIBES Headphones Over Ear vs Bose Open Earbuds