Amazon.com: Plantronics - Voyager Focus UC with Charge Stand (Poly) - Bluetooth Dual-Ear (Stereo) Headset with Boom Mic - USB-A PC/Mac Compatible - Active Noise Canceling-Works with Teams (Certified), Zoom & more :
Plantronics Voyager Legend Wireless Bluetooth Headset User Manual - Manuals+
PLANTRONICS Over-The-Ear Bluetooth Headset w/ Noise-Cancelling Microphone / Multipoint / Up to 8 Hours Talk Time (Voyager 520) - Newegg.com