Plantronics WG100/B Savi Go wireless headset. Designed for in-office mobile professionals, this single headset lets you seamlessly switch between calls on your mobile phone and those received through your PC. With the Plantronics WG100/B, wideband technology sharpens PC audio and delivers rich, natural-sounding voice transmissions, while the extended boom and noise-canceling microphone optimize communications in bustling office environments.