The i. Trek universal dashboard friction mount allows you to keep your windshield clear by mounting your GPS or smartphone on the dashboard of your vehicle. Non-skid backing ensures the mount stays firmly in place. It can easily be removed and stowed away leaving no signs of a GPS or phone in the car. Compatible with most Garmin Tom-tom and Magellan 3. 5 4. 3 4. 7 and 5 inch GPS and leading smartphones such as iPhone, HTC, Samsung, Motorola, LG, Google Android Blackberry Nokia Windows 8 smartphones. Built-in bracket fits up to 5" screen devices and bracket will also doubles as sun shade to avoid glare. Great for states where windshield mounts are illegal. No marks on your dashboard or windshield.