UC San Diego Bookstore - Plantronics Blackwire C720 Headset
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,
Plantronics Blackwire C710 Black Headset for sale online | eBay