Poly Blackwire 5220 USB headset – Prisa Enterprises
User manual Plantronics Blackwire 5220 (English - 13 pages)
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 : Target
Plantronics Blackwire C5220 Headset - Stereo - USB Type A - Wired - 20 Hz - 20 kHz - Over-the-head - Binaural - Supra-aural - Noise Cancelling Microphone 207576-03 017229158573
Plantronics Blackwire C5220 Black/Red On the Ear Headsets for sale online | eBay