Amazon.com: Spracht HS-2018 Zum Maestro DECT Single Ear Wireless Headset|Desktop Phones only | DECT Headset with Noise Canceling Headphones | Ideal for Professional | Wideband Speaker (Dual-Ear) : Electronics
Amazon.com: Yealink WH67 Wireless DECT Headset Teams Certified, Office Single Ear (Mono) Headset Connect to Desk Phone and PC via USB, Cell Phone via Bluetooth, Speakerphone,7 Hrs Talktime,394 ft Wireless Range :
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 - Newegg.com