Base station
Base station wireless range	160 m
Base station weight	398 g
Base station touchscreen
Battery
Talk time	14 h
Battery recharge time	2.5 h
Battery voltage	12 V
Standby time	125 h
Charging time	2.5 h
Rechargeable battery
Wireless charging
Headphones
Ear coupling	Supraaural
Headphone frequency	20 - 20000 Hz
Impedance	32 Ω
Driver unit	2.8 cm
Logistics data
Harmonized System (HS) code	85183000
Microphone
Microphone type	Boom
Microphone frequency	100 - 10000 Hz
Microphone sensitivity	-44 dB
Number of microphones	2
Microphone mute
Other features
USB cable length	1 m
Buttons quantity	2
Sensitivity	97 dB
Packaging content
Cables included	USB
Ear pad material	Leather
Charging stand
Quick start guide
Base station
Packaging data
Package width	255 mm
Package depth	204 mm
Package height	135 mm
Performance
Product type	Personal audio conferencing system
Wearing style	Head-band
Recommended usage	Office/Call center
Headset type	Binaural
Product colour	Black
Operating keys	Answer/end call, Multi-key, Mute, Reject call, Volume +, Volume -
Control type	Buttons, Touch
LED indicators	Status
Certification	CE, FC, IC
DECT connectable
HD voice
Ports & interfaces
Connectivity technology	Wireless
USB connector	USB Type-A
Bluetooth version	4.2
Frequency response (music mode)	20 - 20000 Hz
Frequency response (talk mode)	100 - 8000 Hz
Bluetooth
Technical details
Output power	10 mW
Weight & dimensions
Weight	127 g

All-in-one UC Workstation Redefine Your Workspace
The Yealink WH66 is the industry-leading wireless DECT headset that, with the two models WH66 Dual and WH66 Mono, represents a completely new form
of desktop collaboration. Work seamlessly with major UC platforms and integrate natively with Yealink IP phones. 4.0 inch (480
x 800) capacitive touchscreen of the base offers a new working experience, just one touch, everything under control. Act as a workstation, manage phone
calls, connect to multiple devices (desk phone/mobile phone/computer), wireless mobile phone charging and even
act as a speakerphone. The best part is that only a direct connection is required to use such a multifunctional workstation. Easiest operation, greatest comfort to enjoy.4.0 inch (480 x 800) capacitive touchscreen Yealink Acoustic Shield technology USB 3.0 hub with 2 ports Wireless phone charger Crystal speakerphone Supports Busylight Compatible with Teams and Skype for Business