Plantronics MDA220 Multi Device USB Adapter (for PC and Telephone)
Plantronics Spare Adapter USB C to USB A (209506-01)
Plantronics SSP 2714-01 Bluetooth Adapter for hearing aid pendant systems - from Image Management, LLC
Poly Voyager 4310 UC Wireless Headset (Plantronics) - Single-Ear Headset w/Mic - Connect to PC/Mac via USB-A Bluetooth Adapter, Cell Phone via Bluetooth - Walmart.com