The new Plantronics K100™ is more than just an in-car speakerphone.. Broadcast calls, GPS navigation and music from your smartphone over the K100 s stereo Bluetooth connection, and stay in control whilst driving. Or link to your car speakers with the FM transmitter. Its slim profile is designed to fit on your car’s visor, and deliver the audio excellence you expect from Plantronics Dual microphones, noise reduction technology, voice alerts and large, easy-to-locate buttons provide clear conversations or use the dedicated mute button to go silent with one touch. With convenience like this, you may never leave your car