Plantronics M165 Bluetooth Headset - Retail Packaging - Black User Can Just Say "answer" Or "ignore" To Handle Calls-no Buttons To Press Dual Microphones Reduce Noise & Wind For Better Call Quality Ideal For Music, Movies, Internet Radio & Driving Directions Deep sleep Power-saving Mode Activates When Headset Is Away From Phone (over 33ft) For Over 90 Min When Back In Range, User Just Taps Call Button To "wake" It Up.