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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-26 · 8 min read · Independent comparison
• Plantronics Poly Blackwire 3320 — biggest strength: true plug-and-play USB-C simplicity, with a certified Microsoft Teams experience, a 180° rotating boom mic, and passive noise cancellation on a headset that weighs about 210 g.
• Plantronics Poly Blackwire 3320 — biggest trade-off: it is fully wired with no wireless technology at all, so you are tethered to your desk and there is no battery, no dongle, and no active noise cancellation.
• Yealink BH74 — biggest strength: Bluetooth 5.3 wireless freedom with up to 32 hours of talk time, active noise cancellation with six AI microphones, and a flip-to-mute boom arm.
• Yealink BH74 — biggest trade-off: it is a more complex device that relies on charging, pairing, and a dongle for some setups, so there is more to manage than a cable you simply plug in.
• Who each pick is for: the Blackwire 3320 suits the desk-bound user who wants zero setup friction; the BH74 suits the mobile professional who moves between rooms, devices, and noisy environments.
The Blackwire 3320 is the definition of a "get out of the way" headset. It connects over USB-C, it is wired, and it carries no wireless technology whatsoever. That sounds like a limitation, but for a lot of people it is exactly the point. You plug it into a laptop or a USB-C dock and you are on a call. There is no pairing menu, no dongle to lose, no battery indicator to watch, and no charging cable to remember. The headset is certified for Microsoft Teams and Skype for Business, so the call controls and the mute behavior are built around those platforms rather than bolted on afterward.
The comfort story is straightforward and grounded in the design. It is an over-ear headset with padded ear cushions and a padded headband, and it weighs around 210 g, which is light for an over-ear model. The boom microphone rotates a full 180°, so you can wear it on whichever side you prefer. That is a small detail, but it matters if you have a habit of pushing one earcup aside or if you occasionally move the mic out of the way between calls. The mic itself is built for noise cancellation, and the headset relies on passive noise cancellation rather than active electronics to dull the room around you.
On the audio side, Poly has packed in a couple of features worth knowing about. Dynamic EQ automatically adjusts sound levels so you are not constantly reaching for a volume slider, and SoundGuard is there to protect your ears from sudden spikes. The drivers are dynamic, with a 20 Hz to 20,000 Hz frequency range, and the stereo audio is described as hi-fi, which makes this a perfectly reasonable headset for music between calls. The enclosure mixes metal and plastic in black, and the build is aimed at all-day desk use rather than being thrown in a bag.
Who should buy it: anyone who works at a fixed desk, lives in Teams or Skype for Business, and wants a headset that never needs charging. Who should skip it: anyone who takes calls while walking around, needs active noise cancellation to fight a genuinely loud room, or wants to connect to a phone over Bluetooth. This is a wired desk tool, and it is honest about that.
The BH74 is the opposite philosophy. It is a wireless Bluetooth 5.3 headset with a stated 50-meter range, which means you can leave your desk mid-call and keep talking. It is also a headset built specifically for noise. Yealink's six AI-powered microphones combine feedforward and feedback mics with processing designed to knock down dog barks, keyboard clicks, café chatter, and crying babies, and there are four adjustable active noise cancellation modes so you can match the cancellation to your environment. That is a meaningful step up from passive isolation if you work in an open office or a home with background chaos.
Battery life is the headline number here. Yealink rates the BH74 at up to 32 hours of talk time and up to 65 hours of music playback, with around 20 days of standby, and a full charge takes about 90 minutes. There is also a five-minute fast charge that Yealink says gives you roughly 45 minutes of talk time — a genuinely useful feature when you realize your headset is flat right before a meeting. Audio runs a 20 Hz to 20,000 Hz frequency range through a custom driver, with an impedance of 32 ohm and a sensitivity of 129 dB. It is certified for Microsoft Teams Premium Open Office and Yealink's Acoustic Shield Technology 3.0, and it can hold two simultaneous connections with up to eight paired devices.
The controls are the kind that make sense once you use them. Pull the mic down to unmute or to start a chat, flip it up to mute, and there is a long-press gesture for raising your hand in Teams. Dual busy lights light up automatically during calls so people around you can see you are on one. At 152 g, it is lighter than the Blackwire, and the float-on-air headband with memory foam and rotatable ear cushions is designed to spread pressure evenly across a long day. In the box you get the headset, a charging stand, a BT51 USB-C to A dongle, a protective case, and a USB charging cable, and the dongle lives in the mesh pocket inside the storage bag. The model is listed in black for Teams.
Who should buy it: the hybrid worker, the call-center agent, the person who takes meetings from three different rooms, and anyone who wants active noise cancellation and real battery life. Who should skip it: the person who wants a single cable and zero charging, or who does not want to think about pairing, dongles, and firmware. It is more capable, but it is also more to manage.
Side-by-Side: Which Should You Choose?
• Best for zero-setup simplicity → Plantronics Poly Blackwire 3320. USB-C wired, plug in, talk. Nothing to charge or pair.
• Best for noisy environments → Yealink BH74. Six AI microphones, four ANC modes, and Acoustic Shield 3.0 versus the Blackwire's passive isolation.
• Best for a fixed desk on Microsoft Teams or Skype for Business → Plantronics Poly Blackwire 3320. Certified for both, with Dynamic EQ and SoundGuard built in.
• Best for multi-device switching → Yealink BH74. Two simultaneous connections, up to eight paired devices, and a BT51 dongle included.
• Best for the lightest possible feel → Yealink BH74, at 152 g versus the Blackwire's roughly 210 g.
• Best if you hate remembering to charge → Plantronics Poly Blackwire 3320. A wired headset has no battery state to think about.
• Best for long calls with a clear mute gesture → Yealink BH74. Flip the mic up to mute, pull it down to talk, with busy lights for the room.
In my opinion, the Yealink BH74 is the better buy for most people who take calls for a living, because the combination of active noise cancellation, six microphones, and up to 32 hours of talk time solves problems a wired headset simply cannot. The Blackwire 3320 is the smarter pick if you sit at one desk, use Teams or Skype for Business, and want a cable that never lets you down. I would choose the BH74 for a hybrid or open-office role, and the Blackwire 3320 for a fixed desk where simplicity beats flexibility. Match the headset to how you actually work rather than to the longer feature list.
It depends on whether you need wireless freedom and active noise cancellation. If you move around and fight background noise, the BH74's six mics, four ANC modes, and 32-hour battery justify the extra complexity. If you sit still and want no charging, the Blackwire wins. Check the current price on Amazon to compare what you are actually paying for each.
No. It is a wired USB-C headset with no wireless technology, so it stays tethered to your laptop or dock. That is its main limitation, but it is also why there is nothing to charge and no pairing to manage.
Both are certified for Teams work. The Blackwire 3320 is certified for Microsoft Teams and Skype for Business, while the BH74 is certified for Microsoft Teams Premium Open Office and can even run Teams over native Bluetooth without a dongle. If you want Teams-specific gestures like raise-hand and flip-to-mute, the BH74 gives you more.
Yealink rates it at up to 32 hours of talk time and up to 65 hours of music playback, with a 90-minute full charge and a five-minute fast charge for about 45 minutes of talk time. Real-world results depend on volume and ANC use, but the rated figures are well beyond a typical workday or even four working days.
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See also: Wantek Cell Phone Headset vs PLT Poly Blackwire, Avantone Pro Planar vs Yealink BH74: Flat Frequency Response, Yealink DECT Headset WH66 vs FKAfusiontech Poly Voyager