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Riferimento: ST3450857SS
| Base station colour | Black |
| Battery operated | Yes |
| Battery recharge time | 2.5 h |
| Charging time | 2.5 h |
| Rechargeable battery | Yes |
| Standby time | 90 h |
| Talk time | 13 h |
| Compliance certificates | CE/Federal Communications Commission (FCC) |
| Driver unit | 2.8 cm |
| Ear coupling | Supraaural |
| Headphone frequency | 20 - 20000 Hz |
| Headphone sensitivity | 92.5 dB |
| Impedance | 32 Ω |
| Maximum input power | 30 mW |
| Noise reduction | Yes |
| Microphone frequency | 100 - 10000 Hz |
| Microphone mute | Yes |
| Microphone sensitivity | -44 dB |
| Microphone type | Boom |
| Number of microphones | 2 |
| Storage temperature (T-T) | -5 - 45 °C |
| Frequency range | 100 - 10000 Hz |
| Sensitivity | 87 dB |
| USB 2.0 ports quantity | 2 |
| Base station | Yes |
| Cables included | USB |
| Charging stand | Yes |
| Quantity | 1 |
| Quick start guide | Yes |
| Adjustable headband | Yes |
| Certification | CE |
| Control type | Buttons |
| Control unit type | On-ear control unit |
| DECT connectable | Yes |
| HD voice | Yes |
| Headset type | Monaural |
| LED indicators | Yes |
| Operating keys | Answer/end call/Multi-key/Mute/Reject call/Volume -/Volume + |
| Plug and Play | Yes |
| Product colour | Black |
| Product type | Headset |
| Recommended usage | Office/Call center |
| Volume control | Button |
| Wearing style | Head-band |
| Connectivity technology | Wireless |
| Frequency response (music mode) | 20 - 20000 Hz |
| Frequency response (talk mode) | 100 - 8000 Hz |
| USB connectivity | Yes |
| USB connector | Micro-USB |
| Wireless range | 160 m |
| Charging time | 170 min |
| Brand Name | Yealink |
| Warranty | 1 |
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