Amazon.com: Poly - BT700 High Fidelity Bluetooth USB-C Adapter (Plantronics) : Electronics
Plantronics USB-A to USB-C Adapter
Poly USB-C to headphone jack adapter - 211019-02 - Headset Accessories - CDW.com
BT600 USB-A / USB-C Adapter - High-fidelity Bluetooth USB Adapter | Poly, formerly Plantronics & Polycom
BuyPlantronics/Poly Spare Adapter, USB Type C to USB Type A
Amazon.com: Blackwire 5210 USB-C Headset (Plantronics) - Wired, Single Ear (Monaural) Computer Headset with Boom Mic - USB-C, 3.5 mm to connect to your PC, Mac, Tablet and/or Cell Phone : Everything
Amazon.com: Poly - DA85M USB-A/USB-C Digital Adapter (Plantronics) - Works with Poly Call Center Quick Disconnect (QD) Headsets - Acoustic Hearing Protection - Hold & Call Answer Buttons - Optimized for Teams :
Poly Singapore | Poly Spare USB-C Inline Control Adapter For Blackwire C5200 Series Headsets
Poly BT700 Bluetooth USB-C Adapter 217878-01
Plantronics BT600 USB-A Mini Bluetooth Adapter (205250-01)