Yealink WH66 Dual UC-DECT Wireless headset

Certification: CE, FC, IC | Master (outer) case gross weight: 11 kg | Base station touchscreen: Yes | Microphone sensitivity: -44 dB | Frequency response (music mode): 20 - 20000 Hz | Sustainability compliance: Yes | Operating keys: Volume - | Ear coupling: Supraaural | Microphone frequency: 100 - 10000 Hz | Driver unit: 2.8 cm | Headset type: Binaural | Frequency response (talk mode): 100 - 8000 Hz | Charging time: 125 min | Operating keys: Multi-key | Operating keys: Answer/end call | Master (outer) case width: 421 mm | Base station weight: 398 g | Master (outer) case height: 265 mm | Operating keys: Reject call | Operating keys: Mute | Operating keys: Volume + | Headphone frequency: 20 - 20000 Hz | Wearing style: Head-band | Master (outer) case length: 698 mm | Compliance certificates: Federal Communications Commission (FCC) | Compliance certificates: CE | Charging stand: Yes | Wireless charging: Yes | USB cable length: 1 m | Base station: Yes | Base station colour: Black | Microphone type: Boom | Connectivity technology: Wireless | AC adapter included: Yes | Product colour: Black | Rechargeable battery: Yes | Quick start guide: Yes | Weight: 127 g | Package width: 204 mm | Talk time: 14 h | Battery voltage: 12 V | Battery recharge time: 2.5 h | Impedance: 32 Ω | Sensitivity: 97 dB | Package depth: 255 mm | Bluetooth version: 4.2 | Recommended usage: Office/Call center | Microphone mute: Yes | USB connector: USB Type-A | Harmonized System (HS) code: 85183000 | Number of microphones: 2 | LED indicators: Status | Wireless range: 160 m | Bluetooth: Yes | Package height: 135 mm | Package type: Box | Control type: Buttons, Touch | Standby time: 125 h | Product type: Headset | Cables included: USB