The Plantronics Blacktop 500 Bluetooth headset cancels road noise stays comfortable all day and lets you manage calls without taking your eyes off the road. Noise-canceling microphone and powerful speaker deliver clear precise audio to you and your caller. Clip the controls to your shirt or belt and answer calls adjust volume or mute the mic without taking your eyes off the road. Flexible reinforced headband and cushioned earcup make it easy to wear all day. Internal sensors direct calls to your phone or headset pause music for incoming calls and let you automatically answer calls just by putting it on. Attach the lightweight power cable to the vehicle charger and never run out of talk time while you"re driving. Cable can also be used with PC for Internet chat or movies in your down time.