The Belkin Car Vent Mount provides a safe& hands-free way to use your smartphone in the car. The Vent Mount fits most large smartphones with screen sizes up to 5.5 inches with a protective case on. This cradle securely attaches your smartphone to an air vent on your car's dash for a convenient optimal viewing level. No suction cup or adhesive is required. The Vent Mount rotates 180 degrees so you can use your smartphone in portrait or landscape mode.