Choosing between the Poly Blackwire 3300 Series and the Yealink BH71? Here's how they differ on platforms, audio and price, and which one fits your room.

Short answer: pick the Poly Blackwire 3300 Series if you want the one that costs less. Pick the Yealink BH71 if you want the one that runs on battery, so it moves between rooms.
Both are Teams certified USB business headsets; the difference is audio and power.
Side by side
| Poly Blackwire 3300 Series | Yealink BH71 | |
|---|---|---|
| Price | $57 | $60 |
| Talk time | — | 10 hours |
| Weight | 0.22 lb (3310/3315), 0.29 lb (3320/3325) | 8 g |
| Warranty | 2 years limited | — |
| Connections | USB-C with USB-C/A adapter; 3.5 mm on 3315/3325 | Bluetooth: Bluetooth 5.3, pairs 8, 2 simultaneous |
Specs are Poly and Yealink's published figures. Prices can change.
The key differences
- Power: the Poly Blackwire 3300 Series runs on USB bus power; the Yealink BH71 on battery or USB.
Which should you buy?
- Choose the Poly Blackwire 3300 Series if you want the one that costs less. See the Poly Blackwire 3300 Series
- Choose the Yealink BH71 if you want the one that runs on battery, so it moves between rooms. See the Yealink BH71
Also compared
- Logitech H570e vs Poly Blackwire 3300 Series
- Poly Blackwire 3300 Series vs Jabra Evolve2 40 SE
- Poly Blackwire 3300 Series vs Yealink UH37
- Yealink BH71 vs Yealink WH63 E2
- Logitech H570e vs Yealink BH71
Still deciding? Read the Poly Blackwire 3300 Series guide and the Yealink BH71 guide, see Blackwire 3300 Series alternatives and BH71 alternatives, compare them interactively, or send us your room details for a recommendation.
Related guides
- Logitech H570e vs Poly Blackwire 3300 Series: which to buy?
- Poly Blackwire 3300 Series vs Yealink UH37: which to buy?
- Yealink BH71 vs Poly Blackwire 3200 Series: which to buy?
- Poly Blackwire 3300 Series alternatives compared
- Poly Blackwire 3300 Series vs Blackwire 3200 Series
- Poly Blackwire 3300 Series vs Blackwire 5200 Series
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