Yealink Documentation support.yealink.com WHB620,WHD622,WHM621 DECT Wireless Headset Quick Start Guide V1.
Package List Micro USB to USB-A USB2.0 Cable 0.8M WHB620 Base (Teams/UC) Power Adapter WHM621/WHD622 Headset Quick Start Guide Micro USB to USB-A USB2.0 Cable 1.2M B u s y l i g h t B LT 6 0 (Optional) We recommend that you use the included accessories, and other accessories may have compatibility issues that prevent them from working properly.
How to Connect Busylight BLT60
Headset Wear and Adjustment 1/2’’ 12mm Earmuff Replacement
How to Use PC Button 1 Teams Button 3 Voice Assistant Button 3 2 Phone Button Teams Edition UC Edition 1 Press to enter the softphone dialing screen, answer or enter a softphone's call. 2 Press to enter the phone dialing screen, answer or end a phone's call. 3 (Teams Edition) Press to invoke the Teams client; Hold 2 seconds to activate Cortana. (UC Edition) Hold 2 seconds to activate voice assistant.
Mute Button 4 Volume Up 5 6 Teams Button/ Answer Call Button Volume Down 7 4 Press to mute or unmute microphone. 5 7 Hold 2 seconds to activate Cortana; Press to turn up/down volume. 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 Our product warranty is limited only to the unit itself, when used normally in accordance with the operating instructions and the system environment. We are not liable for damage or loss resulting from the use of this product, or for any claim from a third party.
FCC Caution: Any 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.
