Yealink WH66 Mono UC Workstation

DECT Wireless Headset

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  • Technical Features

Technical Features for Yealink WH66 Mono UC Workstation

Product # WH66-MONO-UC

The Yealink WH66 is the Industry-leading DECT wireless headset, with WH66 UC models, opening an entirely 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 touch screen of base offers newly work experience, just one touch, all control. Act as a workstation, managing phone calls, connecting with multiple devices (desk phone/mobile phone/computer), charging mobile phone wirelessly, and even playing a speakerphone’s role. Best of all, deploying such a multifunctional workstation only needs to plug directly. Easiest things to do, greatest convenience to enjoy.

Yealink created the lightweight designed mono headset with adjustable headband, replaceable ear cushions to ensure all-day comfort. Yealink USB Connect is available for the management of multiple Yealink USB devices, including headsets, speakerphones, and webcams. With Yealink Acoustic Shield technology, the headsets could well filter out background noise by 2x microphones while user are on a call, which provides a HD voice quality for your listeners, and ensures distraction-free conversation.
Factory Information:
Data Sheet

WH66-MONO-UC Features:

  • WHM621 Mono Wireless Headset
  • WH66 UC Workstation
  • 4.0 inch (480 x 800) Capacitive Touch Screen LCD
  • Yealink Acoustic Shield Technology
  • Optima Audio Experience
  • Built-in 2-ports USB 3.0 Hub
  • Suppoerts Qi Wireless Charger
  • Full-duplex Speakerphone
  • Supports Customizable Busylight
  • Teams and Skype for Business Compatible
  • Multiple Devices Connection
  • Speakerphone Mode
  • Hand-free Phone Calling
  • Connects To:
    Cellphone / Computer

View All
WH66-MONO-UC All-in-one UC Workstation:

Highlighted Features

  • All-in-One UC Workstation
  • Desktop collaboration boosts efficiency a lot especially when Working from Home, but it can be also annoyed that the desktop is very messy with multiple device cables. Take control of your desktop collaboration environment with WH66:

    - Connect all devices you want with built-in Bluetooth and USB ports.
    - Expand PC’s connectivity with 2-port USB 3.0 hub.
    - Control all calls on the 4.0 inch (480 x 800) capacitive touch screen by simply finger touch.
    - Function as a hand-free phone, freeing from wearing headset.
    - Charge mobile phone wirelessly and transform it into a nice efficient conferencing device.

  • Be Heard Crystal Clearly
  • With Yealink Acoustic Shield Technology, the two Microphones built in WH66 block the background noise automatically but ensure participant voice be heard clearly, greatly boost the communication efficiency.

  • Interruption Free
  • Busylight is enabled in WH66. With the light on the headset or BLT60 on the desk turning red, people around you would know that you are on the phone, instead of interrupting you unknowingly. Just stay focused on conversation, for higher efficiency, for better collaboration.

General Features

  • 4.0 inch (480 x 800) capacitive touch screen
  • 2 feature buttons
  • 1 Type-A USB 3.0 port
  • Built-in Bluetooth 4.2
  • Connectivity: USB 3.0 & 2 x Bluetooth devices
  • Integrated busylight LED indicator
  • Built-in hub: 2 Type-A USB 3.0 ports
  • Boom arm adjustable: 320°
  • Charging stand (for headset)

Certified For

  • Microsoft Teams
  • Zoom


  • Talk time: up to 13 hours (Mono)
  • Standby time: 90 hours (Mono)
  • Charging time: 2.5 hours (12V/2A)


  • Wireless range: up to 160m/525feet
  • Secure DECT (level): Step C: authentication –DSAA2, encryption – DSC2 (128bit)
  • Cordless Advanced Technology: CAT-iq 2.0

Audio (Headset)

  • Microphone type: Dual Microphone
  • Microphone sensitivity: -44.0+/-3 dBV
  • Microphone frequency range: 100 Hz-10 kHz
  • Speaker size: ? 28
  • Speaker sensitivity: 92.5+/-3 dB, 0.179 V
  • Speaker impedance: 32+/-4.8 O
  • Speaker max output power: 10 mW
  • Speaker frequency range: 20 Hz-20 kHz
  • Talk mode: wideband, 100Hz~8kHz, 16kHz sample rate
  • Music mode: full-band, 20Hz~20kHz, 48kHz sample rate, Stereo (Stereo only supported by Dual headset)
  • Hearing Protection
  • - Peak Block Protection (EN50332)
    - Australian G616 Protection (AU G616)
    - 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 O+/-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

Package Content

  • WHB660 Base
  • WHM621 Headset
  • Power Adapter
  • 2* 1m USB 3.0 Cable
  • Quick Start Guide
The Yealink WH66 Mono Wireless Headset - UC has many exciting features for users of all types. It's one of FactoryOutletStore's best selling Yealink Headsets. You can extend the lifetime of your Yealink WH66 Mono Wireless Headset - UC with the purchase of a FactoryOutletStore Factory Protection Plan. See the Yealink WH66 Mono Wireless Headset - UC gallery images above for more product views. FactoryOutletStore stocks a full line of accessories like Yealink Replacement Foamy Ear Cushion for WH62/WH66/UH36/YHS36 (1 PCS) (330100010025), Yealink Replacement Foamy Ear Cushion for WH62/WH66/UH36/YHS36 (12 PCS) (330100010026), and Yealink Replacement Leather Ear Cushion for WH62/WH66/UH36/YHS36 (12 PCS) (330100010014) for the Yealink WH66 Mono Wireless Headset - UC. The Yealink WH66 Mono Wireless Headset - UC is sold as a Brand New Unopened Item.

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