Yealink WHB620, WHD622, WHM621 DECT Wireless Headset

Quick Start Guide

Certified for Microsoft Teams

Visit support.yealink.com for Yealink Documentation.

Package List

WHB620 Base (Teams/UC)
WHM621/WHD622 Headset
Micro USB to USB-A USB2.0 Cable 0.8M
Micro USB to USB-A USB2.0 Cable 1.2M
Power Adapter
Quick Start Guide
Busylight BLT60 (Optional)

Note: Yealink recommends using included accessories. Other accessories may cause compatibility issues.

How to Connect

Diagram shows connections for the headset base, a desk phone, a PC, and an optional Busylight BLT60. The base connects to the PC via USB and to the desk phone via USB or other means. The power adapter connects to the base.

Headset Wear and Adjustment

Instructions and diagrams show how to wear the headset over the ear and adjust the microphone. The microphone is positioned approximately 1/2 inch (12mm) from the corner of the mouth.

Earmuff Replacement

Diagrams illustrate the process of replacing the earmuffs on the headset.

How to Use

The headset base has the following buttons:

PC Button 1: Press to enter the softphone dialing screen, answer, or enter a softphone's call.
Phone Button 2: Press to enter the phone dialing screen, answer, or end a phone's call.
Teams Button / Voice Assistant Button 3:
- (Teams Edition) Press to invoke the Teams client; Hold 2 seconds to activate Cortana.
- (UC Edition) Hold 2 seconds to activate voice assistant.

Note: Ensure the Microsoft Teams client is installed on your PC, smartphone, or tablet before using Teams button functions.

The headset itself has the following controls:

Mute Button 4: Press to mute or unmute the microphone.
Volume Up 5 / Volume Down 7: Hold for 2 seconds to activate Cortana; Press to adjust volume up or down.
Teams Button/Answer Call Button 6: Press to answer, reject, or end a call.

Regulatory Notices

Operating Ambient Temperatures

Operating temperature: +14 to 122°F (-10 to 50°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 normally. Yealink is not liable for damages or claims from third parties arising from the use of this product.

DC symbol

The DC symbol ⎓ represents the DC voltage symbol.

Restriction of Hazardous Substances Directive (RoHS)

This device complies with EU RoHS Directive requirements. Compliance statements can be obtained by contacting support@yealink.com.

Safety Instructions

Save and read all safety instructions before use.
Observe safety precautions during operation, storage, and transportation. Avoid collision and damage to the device.
Do not pull or over-bend cables.
Disconnect from power supply during thunderstorms. Unplug the power plug and radio frequency cables to avoid lightning strikes.
Disconnect from power supply if the device is left unused for extended periods.
If smoke, abnormal noise, or smell is detected, disconnect from power supply and contact a maintenance center.
Do not insert foreign objects into device slots.
Connect the grounding cable first before connecting other cables.

Cleaning Requirements

Disconnect from power supply before cleaning.
Use a soft, dry, anti-static cloth for cleaning.
Ensure the power plug is clean and dry to prevent electric shock.

Environmental Recycling

Dispose of the device according to local environmental regulations. Components may be recycled.

Troubleshooting

Unit cannot supply power: Check plug connection, try a different outlet, ensure the cable is correctly connected, or check for debris in ports.
Cannot connect cable properly: Ensure the correct Yealink device and power supply are used.
Usage environment out of range: Use the device within the specified operating temperature range.

Contact your dealer or an authorized service facility for further assistance.

Environmental Requirements

Place the device in a well-ventilated area, away from direct sunlight, dust, heat sources, and flammable materials.
Keep the device dry and on a stable, level surface.
Allow at least 10 cm clearance for heat dissipation.
Keep away from strong magnetic or electromagnetic fields.

Operating Requirements

Supervise children when using the device.
Use only manufacturer-provided accessories.
Use the provided surge protection power socket.
Ensure hands are dry when plugging/unplugging cables.
Do not expose the product to liquids or use near water.

FCC Caution

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

IMPORTANT NOTE

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

ISEDC Warning

This device complies with Innovation, Science, and Economic Development Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.

Le présent appareil est conforme aux CNR d' Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.

Radiation Exposure Statement

For Base: This equipment complies with FCC and IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.

For Headset: The device has been tested and comply with FCC and IC SAR limits.

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

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