Yealink BH78 is a Bluetooth ANC headset featuring Adaptive Hybrid ANC, AI-powered noise cancellation, and Yealink CloudSoft Comfort technology, helping you stay focused, heard, and comfortable wherever you work.<br>
Technical specifications
Performance
| Product type | Headset |
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| Wearing style | Head-band |
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| Recommended usage | Calls/Music |
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| Market segment | Consumer |
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| Headset type | Binaural |
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| Product colour | Black |
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| Operating keys | Volume -, Volume +, Play/Pause, Answer/end call, Mute, ANC control |
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| Volume control | Button |
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| Control unit type | On-ear control unit |
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| Control type | Buttons |
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| LED indicators | Yes |
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| On/off switch | Yes |
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| Country of origin | China |
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Ports & interfaces
| Connectivity technology | Wired & Wireless |
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| USB connector | USB Type-C / USB Type-A |
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| Bluetooth | Yes |
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| Bluetooth version | 5.3 |
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| Wireless range | 50 m |
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Headphones
| Ear coupling | Circumaural |
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| Headphone frequency | 20 - 20000 Hz |
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| Headphone sensitivity | 112.5 dB |
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| Driver unit | 3.5 cm |
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| Noise canceling | Yes |
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| Noise canceling type | Active |
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Microphone
| Microphone type | Boom |
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| Microphone frequency | 100 - 10000 Hz |
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| Number of microphones | 6 |
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Battery
| Battery operated | Yes |
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| Battery type | Built-in battery |
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| Battery technology | Lithium-Ion (Li-Ion) |
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| Battery capacity | 850 mAh |
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| Continuous audio playback time | 120 h |
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| Battery recharge time | 2.16 h |
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| Talk time (ANC on) | 27 h |
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| Talk time (ANC off) | 38 h |
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| Standby time | 504 h |
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Weight & dimensions
Power
| USB Type-C charging port | Yes |
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