Yealink WH66 Mono DECT Wireless Headset

(Desk Phone + PC + Mobile) & Teams Version


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WH66 Mono UC Workstation DECT Wireless Headset


  • Desk phone, PC & Cell connectivity
  • Monaural headset for typical office & call center use
  • All-in-one UC workstation w/ 4-inch touch console
  • 13 hours of talk time weighing only 80 grams
  • 525 feet of range for amazing coverage
  • Crystal clear audio with Acoustic Shield Technology

Microsoft Teams Certified

  • Same Day Shipping On In Stock Items
  • Warranty 2-Years
  • Non-Returnable
  • Fresh Batteries
  • Latest Date Codes
Featured Videos
Yealink WH66 Unboxing video
Yealink UC Workstation Product Video
How to connect WH66 to your PC
How to connect WH66 to your desk phone
How to pair WH66 with your mobile device
How to operate WH66 touch screen
How to replace the WH66 cushion(s)

Find All Your Needs on the Yealink WH66 Mono UC Workstation

The Yealink WH66 Mono DECT Wireless Headset UC Workstation gives users the possibility and flexibility to connect devices and manage communications from a single device. It also acts as a hub that integrates a full-duplex speakerphone, a wireless charging mobile phone stand, a 4-inch touch console and a USB hub, which together offer an incredible set of features allowing you to meet, connect and collaborate seamlessly and intelligently.

Yealink WH66 & WH67 DECT Wireless Headsets In Call Center

Deliver HD Voice with Yealink Acoustic Shield

With Yealink Acoustic Shield technology, the Yealink WH66 Mono Wireless DECT Headset will filter out background noise with 2 microphones, providing HD voice quality for your listeners, and ensuring distraction-free conversation.

Stay Focused and Enhance Productivity

The Yealink UC Workstation is more than a single base. It eases the management of business communication demands and other USB devices. It also delivers great flexibility with a set of integrated features to facilitate your daily routine. It is professional, collaborative, and available.

Ensure Your Communication with Comfort

To meet the various preferences of users, Yealink created the WH66 DECT wireless headset with a lightweight design, soft and breathable ear cushions, and a 330° adjustable microphone to ensure all-day comfort.

Yealink WH66 Mono DECT Wireless Headset - Ensure Comfort

Wireless Freedom & All Day Power

No matter when and where your conversation begins, the WH66 headset will give you the performance you need for worry-free roaming. With up to 120m wireless range and 8 hours talk time, it is suitable for users’ daily communication needs.

In addition, the WH66 Mono DECT wireless headset supports high density installation in the open office.

Yealink Wireless DECT Headsets


Match Your Platform

Thanks to the broad compatibility of Yealink personal collaboration devices, users can enjoy consistent call experience across UC platforms, which promises better communication quality, higher productivity and lower IT costs.

Yealink WH66 Mono DECT Wireless Headset - Compatible Platforms

One For All Devices Management

Yealink USB Connect is available for the management of multiple Yealink USB devices, including headsets, speakerphones, and webcams. All the settings can be done through Yealink USB Connect.



Yealink WH66 Mono DECT Wireless Headset Specifications:


  • 4-inch (480×800) capacitive touch screen
  • 2 feature buttons
  • 1 Type-A USB 3.0 port
  • USB 3.0 & 2 Bluetooth devices connectivity
  • Integrated busylight LED indicator
  • Adjustable boom arm up to 320°
  • 2 Type-A USB 3.0 ports in the built-in hub
  • Charging stand (for headset)
  • Headset weight: 80 grams
  • Workstation weight: 398 grams
  • Warranty: 2 yr

UC Version

  • Model: WH66-Mono-UC
  • SKU: 1308007
  • WH6X Series

Teams Version

  • Model: WH66-Mono-Teams
  • SKU: 1308002
  • WH6X Series

Battery for Yealink WH66 Mono Wireless DECT Headset

  • Talk time: Up to 13 hrs
  • Standby time: Up to 90 hrs
  • Charging time: 2.5 hrs (12V/2A)


  • Wireless range: Up to 160m/525 feet
  • Secure DECT (level): Step C: authentication – DSAA2, encryption – DSC2 (128 bit)

Audio (Headset)

  • Dual microphone
  • Microphone sensitivity: -44.0+/-3 dBV
  • Microphone frequency range: 100 Hz-10 kHz
  • Speaker size: Ø 28
  • Speaker sensitivity: 92.5+/-3 dB, 0.179 V
  • Speaker impedance: 32+/-4.8 Ω
  • Speaker max output power: 10 mW
  • Speaker frequency range: 20 Hz-20 kHz
  • Speaker bandwidth:
    • Talk mode: wideband, 100Hz – 8kHz, 16kHz sample rate
    • Music mode: full-band, 20Hz-20kH, 48kHz sample rate
  • Hearing Protection
    • Peak Block Protection
    • Daily Noise Exposure Protection

Audio (Base)

  • Microphone type
    • ECM Omnidirectional microphone
  • Microphone sensitivity
    • -38.0+/-2 dBV
  • Microphone frequency range
    • 70 Hz – 20 kHz
  • Speaker size
    • 40mm*20.8mm
  • Speaker sensitivity
    • 97+/-3 dB
  • Speaker impedance
    • 4 Ω +/-15%
  • Speaker max input power
    • 4 W
  • Speaker frequency range
    • 160 Hz – 20 kHz

Easy Call Management

  • Answer/End/Reject a call
  • Volume up/down
  • Microphone mute
  • Move the microphone boom arm up to mute, or down to unmute

What comes in the Yealink WH66 Mono DECT Wireless Headset box:

  • WHB660 Workstation base
  • Mono headset (WHM621)
  • Power Adapter
  • 2 – 1m USB 3.0 Cable
  • Quick Start Guide

Optional accessories (sold separately)

  • BLT60 busylight
  • WHC60 Wireless charger
  • BT50 Bluetooth dongle

Yealink WH66 Mono DECT Wireless Headset Firmware Requirements:

1) Determine Yealink phone firmware from one of the below methods:

From the idle screen press OK

From the idle screen select Menu and Status

How To Find Yealink Phone Firmware



2) Knowing your phones firmware, use the link below to determine headset/EHS compatibility:

***Yealink Compatibility Chart***

Additional information for the Yealink WH66 Mono DECT Wireless Headset


Same Day Shipping On In Stock Items




Deskphone/ PC

Wearing Style

Headband – Single Ear

Headset Weight

80 grams

Roam Distance

525 feet

Talk Time

13 hours

USB Connection Type

Standard USB-A, Teams (Microsoft) USB-A




Fresh Batteries, Latest Date Codes




1308007 (UC), 1308002 (Teams)




Microsoft Teams

Connects To

Desk Phone, Mobile Devices, PC/Computer

Headset Type



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