Yealink WH66 Mono & WH66 Dual DECT Wireless Headset

Certified for Microsoft Teams

All-in-one UC Workstation Redefine Your Workspace

The Yealink WH66 is the industry-leading DECT wireless headset, available in WH66 Dual and WH66 Mono models, offering a new form of desktop collaboration. It integrates seamlessly with major UC platforms and Yealink IP Phones. The 4.0 inch (480 x 800) capacitive touch screen on the base provides an intuitive control experience. The workstation manages phone calls, connects multiple devices (desk phone, mobile phone, computer), wirelessly charges mobile phones, and functions as a speakerphone. Deployment is simple, requiring only a direct plug-in.

Key Features:

Acoustic Shield Technology
Optima Audio Experience
Touch Screen LCD
Multiple Devices Connection
Speakerphone Mode
Built-in USB Hub
Qi Wireless Charger
Customizable Busylight

All-in-One UC Workstation Benefits

Enhance desktop collaboration, especially for remote work, by managing multiple device cables efficiently. The WH66 allows you to:

Connect devices via built-in Bluetooth and USB ports.
Expand PC connectivity with a 2-port USB hub.
Control all calls via the 4.0 inch (480 x 800) capacitive touch screen.
Use the headset hands-free, freeing you from wearing it.
Wirelessly charge your mobile phone, turning it into an efficient conferencing device.

Be Heard Crystal Clearly

Yealink Acoustic Shield Technology utilizes two microphones in the WH66 to automatically block background noise, ensuring clear voice transmission and boosting communication efficiency.

Interruption Free

The WH66 features a Busylight. When the light on the headset or the optional BLT60 on the desk is red, it indicates you are on a call, preventing unintentional interruptions and allowing for focused conversations.

1 Package Contents

The package includes:

Base
Mono/Dual Headset
Power Adapter
USB-A to USB-C USB Cable 1.0M
USB-A to USB-A USB Cable 1.0M
Quick Start Guide
BT50 (Optional)
Busylight BLT60 (Optional)
Wireless Charger WHC60 (Optional)

Note: Using included accessories is recommended to avoid compatibility issues. The USB-A to USB-C cable is provided for connecting the WHC60 wireless charger and for connecting the WH66 to a PC or compatible Yealink desk phone.

2 Connection

Connect the base to a DC power supply. The included USB-A to USB-C cable is for connecting other devices to the USB hub port, not for power supply.

Diagram Description: A diagram shows the connection of the Busylight BLT60 and a PC to the Yealink base unit via USB and power adapters.

3 Charge the Headset

Note: For initial use or when the battery is low, dock the headset on the charging base for 30 minutes. The headset is automatically paired with the base upon docking.

Diagram Description: An illustration shows the headset being placed onto the charging base.

4 Charge the Mobile Phone

Diagram Description: Illustrations show a mobile phone being placed on the wireless charging stand, which is then connected to the Yealink base unit.

5 Wear the Headset

Diagram Description: Illustrations demonstrate how to wear the headset, including positioning the microphone approximately 1/2 inch (12mm) from the corner of the mouth.

6 Replace Ear Cushions

Diagram Description: A series of illustrations show the process of removing and replacing the ear cushions on the headset.

7 Usage

No.	Item	Action & Function
1	Touch Screen	Display battery status, headset connection status, etc. Select items and navigate menus. Display call status and perform call control.
2	Mute Button	Press to mute or unmute the microphone.
3	Volume Up Button	Press to turn up volume.
4	Call Control Button	Press to answer or end a call. Double-tap to reject a call. Hold for 2 seconds to activate Cortana (requires Microsoft's support). Press to invoke the Teams client in the idle state.
5	Volume Down Button	Press to turn down volume.
6	Speaker	Provide hands-free (speakerphone) audio output.
7	Microphone	Provide hands-free (speakerphone) audio input.

Note: Install the Microsoft Teams client on your PC before using Teams functions.

Software

Yealink USB Connect

Yealink provides a USB device manager client, Yealink USB Connect, for personalizing and managing Yealink headsets. Download it from the Yealink website: https://www.yealink.com/product/yuc.

Diagram Description: A screenshot of the Yealink USB Connect application is shown, displaying information for various Yealink devices including MP50, WH63, WH66, and UVC30, with options to update devices, view device status, and access device support or settings.

Regulatory Notices

Operating Ambient Temperatures

Operating temperature: +32 to 104°F (0 to 40°C)
Relative humidity: 5% to 90%, noncondensing
Storage temperature: -22 to +160°F (-30 to +70°C)

Warranty

Yealink's product warranty is limited to the unit itself when used according to operating instructions. Yealink is not liable for damages or claims arising from product misuse or third-party actions.

Explanation of the symbols

DC symbol: Indicates DC voltage.
WEEE Warning symbol: Indicates that WEEE should not be disposed of as unsorted municipal waste and must be collected separately.

Restriction of Hazardous Substances Directive (RoHS)

This device complies with the EU RoHS Directive. For compliance statements, contact support@yealink.com.

Safety Instructions

Read and follow all safety instructions before use.

General Requirements

Keep the device dry and clean; avoid collision and impact.
Do not attempt to dismantle the device yourself; contact an appointed maintenance center for repairs.
Adhere to relevant laws and statutes during use.

Environmental Requirements

Place the device in a well-ventilated area, away from direct sunlight.
Keep the device dry and free of dust.
Do not place near flammable objects or heat sources.

Operating Requirements

Adult supervision is required for children using the device.
Use only manufacturer-provided or authorized accessories.
Ensure the power supply meets the device's input voltage requirements. Use the provided surge protection power socket.
Keep hands dry when plugging or unplugging cables.
Do not expose the device to liquids or use near water.
Disconnect the device during thunderstorms.
Unplug the device if left unused for extended periods.
If smoke, abnormal noise, or smell occurs, immediately disconnect the power supply.
Do not insert foreign objects into device slots.
Connect the grounding cable first before connecting other cables.

Battery Requirements

Do not immerse the battery in water.
Do not expose the battery to extreme heat or open flames.
Power off the handset before removing the battery.
Do not use the battery with other devices.
Avoid contact with battery electrolyte.
Use only Yealink-provided or recommended rechargeable battery packs.
Dispose of defective batteries responsibly through designated collection facilities.

Cleaning Requirements

Disconnect the device from the power supply before cleaning.
Use a soft, dry, anti-static cloth for cleaning.
Keep the power plug clean and dry.

Troubleshooting

Unit cannot supply power: Check plug connection, clean plug, try another outlet. Ensure the usage environment is within the operating temperature range. Verify cable connections.
Cannot connect cable properly: Ensure the correct Yealink device and power supply are used. Clean any dust from the port.
Contact Support: Contact your dealer or authorized service facility for further assistance.

FCC Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to two conditions: (1) it may not cause harmful interference, and (2) it must accept any interference received, including interference that may cause undesired operation. Unauthorized modifications may void the user's authority to operate the equipment.

IC Statement

This device complies with Industry Canada's licence-exempt RSSs. Operation is subject to two conditions: (1) it may not cause interference, and (2) it must accept any interference, including interference that may cause undesired operation.

Radiation Exposure Statement

This equipment complies with FCC and IC radiation exposure limits for uncontrolled environments. Maintain a minimum distance of 20cm between the radiator and your body.

Contact Information

YEALINK NETWORK TECHNOLOGY CO., LTD.
309, 3rd Floor, No.16, Yun Ding North Road, Huli District,
Xiamen City, Fujian, P.R.C

YEALINK (EUROPE) NETWORK TECHNOLOGY B.V.
Strawinskylaan 3127, Atrium Building, 8th floor, 1077ZX
Amsterdam, The Netherlands

YEALINK (USA) NETWORK TECHNOLOGY CO., LTD.
999 Peachtree Street Suite 2300, Fulton, Atlanta, GA, 30309, USA

Made in China

Need more help?

Visit Yealink WIKI (http://support.yealink.com/) for the latest firmware, guides, FAQ, and product documents. For technical issues, use the Yealink Ticketing system (https://ticket.yealink.com).

Yealink Documentation & Video

	Yealink WH66 Mono/Dual DECT Headset User Manual A comprehensive user manual for the Yealink WH66 Mono and Dual DECT Headsets, detailing setup, connectivity options (USB and Bluetooth), base and headset controls, settings configuration, and call handling procedures for PC, desk phones, and smartphones.
	Yealink Headset Troubleshooting Guide: Common Issues and Solutions A comprehensive guide to troubleshooting common issues with Yealink wireless DECT headsets, covering audio problems, phone compatibility, battery life, sidetone adjustment, and firmware updates.
	Yealink WH62 DECT Wireless Headset Datasheet Datasheet for the Yealink WH62 DECT wireless headset, detailing its features, specifications, and benefits for phone and UC communication, including all-day comfort, acoustic shield technology, and native integration with Yealink IP phones.
	Yealink WH6X Wireless Headset User Guide This comprehensive user guide provides detailed instructions for setting up, connecting, and managing calls with Yealink WH6X series wireless headsets, including models WH62, WH63, WH66, and WH67. Learn about PC and desk phone connectivity, Bluetooth pairing, call handling, and advanced settings for optimal communication.
	Yealink WH67: All-in-one UC Workstation & DECT Wireless Headset Discover the Yealink WH67, an industry-leading convertible DECT wireless headset and UC workstation designed to redefine your workspace with seamless collaboration, a 4.0-inch touch screen, Acoustic Shield Technology, and versatile connectivity.
	Yealink WH6X Wireless Headset User Guide Comprehensive user guide for the Yealink WH6X Wireless Headset, covering setup, connection, usage, and troubleshooting for models WH62, WH63, WH66, and WH67.
	Yealink WH64 Mono & WH64 Dual DECT Wireless Headset Quick Start Guide A concise guide to setting up and using the Yealink WH64 Mono and WH64 Dual DECT wireless headsets. Learn about package contents, device overview, pairing, charging, power management, call controls, and software updates.
	Yealink DECT Wireless Headset WH68 Quick Start Guide A quick start guide for the Yealink DECT Wireless Headset WH68, covering setup, features, and connectivity options for both PC and Yealink phones.