Jabra Engage 55 Mono DECT USB-A Computer Headset, Teams Charging Stand
Wired Mono Headset | TARGUS
Poly Savi 7210 DECT 6 Mono Headset with connectivity base
WNC-2100 Wireless Noise-Canceling Bluetooth® Mono Headset - Andrea Communications
Wireless Bluetooth® Mono Headset | TARGUS
Logitech H650e Mono USB Headset | ConferencingWorks.com
Mono Headphones
Yealink YHS34 Mono Wideband Wired Headset for IP Phones — Baltic Networks
Amazon.com: Jabra Evolve 65 UC Wireless Headset, Mono – Includes Link 370 USB Adapter – Bluetooth Headset with Industry-Leading Wireless Performance, Passive Noise Cancellation, All Day Battery : Electronics
Sennheiser 230 Mono Bluetooth Headset with USB Dongle, UC, Teams Certified, Connects to Deskphone, PC/Mac, Smartphone - Works with Zoom, RingCentral, 8x8, Vonage (1000881)