Amazon.com: Plantronics - Savi 8220 Office Wireless DECT Headset (Poly) - Dual Ear (Stereo) - Compatible to connect to PC/Mac or to Cell Phone via Bluetooth - Works with Teams (Certified), Zoom : Electronics
Replacement Battery for Plantronics CS540 C054 Wireless Headset Headphones Repair for 86180-01, PL-86180-01 & 84479-01, Rechargeable Li-Polymer Battery - Walmart.com
Plantronics CS540 Setup, Installation, and Users Guide
Plantronics CS540 (C054) Headset Not Charging? 3 Quick Troubleshooting Tips – Merrittcomm Blog | Wired & Wireless Headsets, Productivity, Efficiency