Plantronics 78466-61 Explorer 360 Bluetooth Headset (PL-EXPLORER-360VC) Category: Bluetooth Headsets and Accessories A built-in Digital Signal Processor provides enhanced, full-range stereo sound PerSono Audio Control Center Software puts you in control of all audio adjustments (available as Internet download from Plantronics website) The ultra-sensitive, digitally enhanced microphone delivers the full human voice spectrum, and features noise-cancelling technology optimized to eliminate intrusive background noise QuickAdjust microphone boom allows you to position the microphone easily and consistenly for uniform performance and higher accuracy Sleek, stylish design with color accents will win Peer Envy and Significant Other nod of approval