Amazon.com: Plantronics - Blackwire C5220 - Wired, Dual-Ear (Stereo) Headset with Boom Mic - USB-A, 3.5 mm to connect to your PC, Mac, Tablet and/or Cell Phone : Electronics
Plantronics CS540 DECT Headset with APU-76 EHS Cable
Voyager 4200 Office & UC Series - Bluetooth Office Headset | Poly, formerly Plantronics & Polycom
Plantronics HW710 EncorePro Over-the-Head NC Headset (78712-101) at Macondo