Yealink WH66 Mono UC-DECT Wireless headset

Certification: CE, FC, IC | LED indicators: Status | Weight: 80 g | Package type: Box | Bluetooth: Yes | Battery voltage: 12 V | Quick start guide: Yes | Connectivity technology: Wireless | Product colour: Black | Compliance certificates: Federal Communications Commission (FCC) | Compliance certificates: CE | Impedance: 32 Ω | Headset type: Monaural | Operating keys: Volume - | Operating keys: Mute | Operating keys: Answer/end call | Base station: Yes | Standby time: 90 h | Cables included: USB | Package width: 204 mm | Wireless charging: Yes | Operating keys: Volume + | Operating keys: Reject call | Ear coupling: Supraaural | Bluetooth version: 4.2 | Microphone frequency: 100 - 10000 Hz | Wireless range: 160 m | Package depth: 255 mm | Driver unit: 2.8 cm | Rechargeable battery: Yes | Master (outer) case gross weight: 10.5 kg | Recommended usage: Office/Call center | Sustainability compliance: Yes | USB connector: USB Type-A | AC adapter included: Yes | Microphone sensitivity: -44 dB | Master (outer) case width: 421 mm | Headphone frequency: 20 - 20000 Hz | Package height: 135 mm | Control type: Buttons, Touch | Talk time: 13 h | Harmonized System (HS) code: 85183000 | Product type: Headset | Master (outer) case length: 698 mm | Wearing style: Head-band | Charging stand: Yes | Base station touchscreen: Yes | Number of microphones: 2 | Frequency response (talk mode): 100 - 8000 Hz | Frequency response (music mode): 20 - 20000 Hz | Charging time: 170 min | USB cable length: 1 m | Microphone type: Boom | Battery recharge time: 2.5 h | Microphone mute: Yes | Base station colour: Black | Master (outer) case height: 265 mm | Sensitivity: 97 dB | Base station weight: 398 g