Best Five Plantronics Headsets/Computer Headsets – September 2012 1) Blackwire C310 – This headset just came out in May 2012 and it already has been a great seller. It is packed with features just as its counterpart the Blackwire C320. The main difference between the two is the C320 is a dual ear, and the C310 is a single ear headset. 2) Blackwire … Continued
