DESC: The Plantronics Discovery 655 Bluetooth headset has a sleek, ultra-light and discreet design to deliver a mobile experience unlike any other. With Digital Signal Processing (DSP) , the Plantronics Discovery 655 reduces noise levels to provide enhanced sound for clear conversations. It weighs only 9 grams and comes with a charging system and secure carrying pocket that provides up to 10 hours of talk time and includes a unique vibrate ring indicator.