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
Plantronics .Audio 478 USB Binaural Headset - Skype
Amazon.com: VoiceJoy Office Headset Quick Disconnect QD Cable to USB Plug Adapter for Plantronics QD Connector to Any Computer Laptop : Electronics
Amazon.com: Plantronics - Blackwire 3220 - Wired Dual-Ear (Stereo) Headset with Boom Mic - USB-A to connect to your PC and/or Mac : Electronics
Plantronics SHS 2371-11 USB Push-to-Talk PTT Adapter TA6MLX 92371-11
EncorePro 700 USB Series - Corded USB Headset | Poly, formerly Plantronics & Polycom
DA Series - USB Audio Processor | Poly, formerly Plantronics & Polycom
Poly/Plantronics Voyager 8200 UC Bluetooth Headsets | SourceIT