User manual Plantronics Voyager 4245 (English - 21 pages)
Poly Voyager 4245 Office Series – Global Communication
Amazon.com: Plantronics - Voyager 4245 Office (Poly) - Bluetooth Convertible Headset with 3 Wearing Styles - Connect to PC/Mac, Mobile & Desk Phone - Works with Teams (Certified), Zoom & more : Electronics
Poly Voyager 4245 Office Bluetooth Headset w/unlimited Talk Time 214700-01
Plantronics Voyager 4245 Vs. Plantronics CS540 Mic Test Comparison! - YouTube