Provides a choice of an inner (large) and outer(small) metal plate which can insert into phone cover and back cases OR adhere to the back of your device; the circular metal plate will stick on the Mount, Please pick from the gel plate when using on your device. Small and Simple, effortless installation, Mounts to any vehicle's air vent. No Cradle, No Bracket, No Clamp, only the magnetic force can ensure a safety operation. Innovative ball joint allows you to quickly adjust to optimal angle in 360 degrees. Built with high-grade plastics to exacting standards that make it durable and long lasting. Comes with a 2-year warranty.