Logitech H650e USB Wired Headset (Mono) 981-000513 B&H Photo
Amazon.com: Jabra Engage 65 Wireless Headset, Mono – Telephone Headset with Industry-Leading Wireless Performance, Advanced Noise-Cancelling Microphone, Call Center Headset with All Day Battery Life,Black : Electronics
Amazon.com: AnkerWork H300 Bluetooth Mono Headset with Leading Noise Cancelling Performance via CVC and 2 Mics, Bluetooth 5.1 with Dongle for PC and Phone, 60 Hours Talk Time, for Meetings/Classes/Call Centers :
Motorola In-ear Bluetooth Wireless Mono Headset Hk126 - Black : Target