Use the TomTom Universal Air Vent GPS Sat Nav Mount to attach your device to an air vent in your car. Position it in a place that leaves the windscreen unobstructed and keeps the device within easy reach.The simple but clever design allows for easy attachment and detachment, so you can get going when you need to. Since it doesn't use suction, the mount won't leave any marks on your windscreen.One-click docking allows you to attach your device to the mount with one hand.