StarTech.com USB-C Headphone Splitter USB Type C Dual Headset Adapter w/Mic USB C to 3.5mm Adapter - USBC-AUDIO-SPLITTER - Audio & Video Cables - CDW.com
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
Poly Voyager Focus 2 Uc Usb-c Headset With Stand (plantronics) - Bluetooth Dual-ear (stereo) Headset With Boom Mic - Usb-c Pc / Mac Compatible - Anc : Target
Poly Blackwire 3225 USB Type-C Corded Stereo UC Headset
Poly - Blackwire 5220 USB-C Headset (Plantronics) - Wired, Dual Ear (Stereo) Computer Headset with Boom Mic - USB-C, 3.5 mm to connect to your PC, Mac, Tablet and/or Cell Phone Headsets & Accessories - Newegg.com
Poly Voyager Focus 2 UC w/Stand USB-C Microsoft
Plantronics Blackwire 3220 USB-C Headset - Black for sale online | eBay
Poly Blackwire 8225 UC USB Headset - Headsets Direct