| Audio System Type | Headset |
| Brand | YEALINK |
| Headphones / Form Factor | On-Ear |
| Response Bandwidth (Headphone) | 20 - 20000 Hz |
| Response Bandwidth (Microphone) | 100 - 8000 Hz |
| Series | WHM621 |
| Headphones Type | DECT |
| Connectivity Technology | Wireless |
| Sound Output Mode | Mono |
| Sensitivity | 92.5 dB |
| Impedance | 32 ohms |
| Microphone | ECM microphone and MEMS microphone |
| Model | WHM621 |
| Max Operating Distance | 300 M |
| Interfaces | USB 2.0 |
| Weight | 80 g |
YEALINK WHM621T DECT Wireless Mono On-Ear Headset

Key Benefits
Eye-Insights™ by Eye-In Technologies
AI-Powered Summaries from Online Customer Reviews
AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Designed for professionals who need freedom of movement with a 300-meter wireless range
- Exceptional voice clarity through advanced dual-microphone technology and wide audio frequency
- Lightweight and ergonomic on-ear form factor enables comfortable all-day usage without fatigue
Product Overview
WHM621 - Headset - DECT - Wireless - On-Ear - Mono - 20 - 20000 HZSpecifications
Primary Information
UNSPSC Code
| UNSPSC Code | 52161514 |
Special Feature
| COO | CHINA |