Secure Docking Our specially designed award-winning Easy Port mount fixes your iPhone securely to your windscreen or dashboard. Enhanced GPS performance The built-in GPS receiver enhances the GPS signal, especially in areas where GPS reception is limited i.e. high rises Clear, spoken turn-by-turn instructions With the built-in speaker youll hear every voice instruction loud & clear. Hands-free calling Receive calls without taking your eyes off the road, with the built-in speaker you can hear loud & clear. & thanks to the extra-sensitive microphone you can speak freely while keeping your hands on the wheel.