The Yealink BLT60 Busylight is a smart visual presence indicator designed to seamlessly synchronize with Yealink WH6x series DECT wireless headsets and compatible MP series handsets, including the MP45. Featuring a three-color LED system, it provides clear, instant notification of user status—red for in a call, and others representing different availability states—to help minimize interruptions and boost office productivity.

Key Features:

• Plug-and-Play Setup: Easy installation without complex configuration.
• Three-Color Presence Indicator: Up to 3 distinct colors communicate desk phone and softphone presence status.
• Flexible Placement: Includes a 1.8-meter cord allowing placement on desks, monitor corners, or any visible spot.
• Customizable Light Guides: Choose between star, heart, or square shapes to suit style or preference.
• Incoming Call Notifications: Flashes to alert when calls arrive, even if you're away from your desk or the ringer is off.

For more details, visit the [Yealink official BLT60 product page](https://www.yealink.com/en/product-detail/accessories-blt60).