BT700 USB-A / USB-C Adapter - High-fidelity Bluetooth USB Adapter | Poly, formerly Plantronics & Polycom
Plantronics - Blackwire C5220 - Wired, Dual-Ear (Stereo) Headset with Boom Mic - USB-A, 3.5 mm to connect to your PC, Mac, Tablet and/or Cell Phone - Newegg.com