Plantronics Blackwire C710 Single Speaker USB Wired Headset With Bluet
Plantronics Blackwire C710-M Mono USB / Bluetooth Enabled UC Headset - Microsoft 17229137882 | eBay
Copia - END OF LIFE (EOL): BLACKWIRE 700 SERIES The Blackwire 710, Blackwire 720, and Blackwire 725 corded USB products are going end of life. The last order will be November 30,