Amazon.com: Sennheiser SC 135 USB (508316) - Single-Sided (Monaural) Headset for Business Professionals | with HD Stereo Sound, Noise-Canceling Microphone, & USB Connector (Black), Adjustable : Electronics
EPOS Sennheiser ADAPT 135 USB II Headset (USB Type C and 3.5mm Connector)
FAGINEY 3.5mm Monaural Headset 3 Section Dual 3.5mm Plug PC Business Headset Supports Call And Speaker Volume Adjustment,3.5mm Single Sided Ear Headphone,PC Business Headset - Walmart.com
Andrea Communications NC-181 Monaural Computer Headset with Twin 3.5mm Plugs
Plantronics Over-the-head Monaural Corded Headset - Mono - Wired - Over-the-head - Monaural - Supra-aural - Noise Cancelling Microphone - Noise Canceling - Office Supply Hut
Amazon.com: Verbatim Mono 3.5mm Headset with Microphone and in-Line Remote : Electronics
Targus Wireless Bluetooth Mono Headset - Mono - Mini-phone (3.5mm) USB Type A - Wired/Wireless - Bluetooth - On-ear - Monaural - Ear-cup - Omni-directional Noise Cancelling Microphone
Altec Lansing Monaural Headset Microphone AHS212 32mm 3.5 mm plugs | eBay
Amazon.com: IPD IPH-160 Headset with Noise Cancelling Microphone and 3.5mm Jack (4 Poles) for for Android Cell Phones,Laptop,Tablet,Apple MacBook and Other Smart Devices : Electronics
Mono Headphones
Plantronics Blackwire C3215 Corded Monaural USB and 3.5mm Headset
Jabra Evolve 30 II UC Mono USB/3.5mm Headset-Headsets Direct
Monaural Headset, Rotatable Business Headset HD Sound 3.5mm Jack For Business For Office - Walmart.com
Spracht ZUM350M Headset - Mono - Mini-phone (3.5mm), Sub-mini phone (2.5mm) - Wired - Over-the-head - Monaural - Circumaural - Noise Cancelling Microphone - Office Supply Hut
V7 3.5mm Deluxe Mono Headset w Mic, Inline Control & 1.8m Cable (HA401)
Durable phone headset for Smart and iPhone built in Plantronics QD cord. Innotalk Classic monaural headset + 3.5 mm Headset Adapter Cable
Amazon.com: 3.5mm Single Sided Ear Headphone, Communication Headset Clear Sound Supports Call for Home for Call Center for Classroom : Electronics
Amazon.com: Verbatim Mono 3.5mm Headset with Microphone and in-Line Remote : Electronics
EPOS Adapt 135 USB II, USB-A and 3.5mm Mono Headset 1000914
Spracht ZuM ZUM350M Universal Monaural Headset - 3.5/2.5MM
Amazon.com: Plantronics - Blackwire 5210 - Wired, Single Ear (Monaural) Headset with Boom Mic - Computer Headset - USB-A, 3.5 mm to connect to your PC, Mac, Tablet and/or Cell Phone : Everything Else
Business Headset, 3.5mm Jack Rotatable ASP HD Sound Monaural Headset For Business For Office - Walmart.com
Mono Headphones
