if your life depends on getting behind the wheel, then we supposed you would need a trusty headset to go along with your daily routine – to which, Plantronics might just have the Bluetooth headset tailored for you. dubbed the Plantronics Blacktop 500 Bluetooth Headset, this sleek one earcup headset is aimed squarely at commercial drivers, helping them to keep their peeled on the road and hands on the wheel. the Blacktop 500 is essentially the in-vehicle variant of the Blackwire 710 headset and is designed with features specific to vehicular use. these features include road and engine noise cancellation, convenient in-vehicle charging system and built-in Smart Sensor technology that detects if the headset is worn and automatically directs the audio – both calls and media – from your mobile phone to the headset whenever it is put on. the headset’s in-vehicle charging feature offers unlimited talk time but it can also be used untethered, powered by its built-in battery for up to 10 hours (and up to 10 days standby time) per charge. additionally, the USB connectivity also allows it to be used for Internet chat or catching a movie when you are off the road. other highlights include clip-on Bluetooth controls, flexible and adjustable, reinforced headband with a padded earpiece, Bluetooth 3.0 with A2DP for audio streaming, multipoint for connecting to two Bluetooth devices and headset battery meter for iOS devices. available now with a MSRP of $129.99.