Plantronics Voyager Monaural 4210 UC Bluetooth Headset
Voyager 4200 Office & UC Series - Bluetooth Office Headset | Poly, formerly Plantronics & Polycom
Amazon.com: Poly - Voyager 4310 UC Wireless Headset + Charge Stand ( Plantronics) - Single-Ear Headset w/Mic - Connect to PC/Mac via USB-C Bluetooth Adapter, Cell Phone via Bluetooth -Works with Teams, Zoom
Poly Voyager 4210 Office 2-Way Base USB-A Headset - 212730-01
Plantronics Voyager 4210 USB-A UC Mono Bluetooth Mobile Computer Headset No Box 17229163263 | eBay