Top 5 Plantronics Headsets/Wireless Headsets – February 2012 1) CS540 – A wireless headset that lets you choose between narrow/wide band modes: Narrow band to preserve talk time, or wide band for clearer conversations. 2) CS70N – A great wireless headset with a comfortable all-day wearing style. 3) CS510– This wireless headset system offers a new voice-dedicated DECT technology that eliminates Wi-Fi interference from … Continued