KHTONE Car Phone Mount 2 Pack Set,Design Dashboard 360&deg; Phone Holder, One-Hand Simple Operation Enjoy Hands-free to use phone while driving. 360Rotations:Allows viewability in portrait and landscape modes. Easy usage: Simply installation, and one hand easy mount and take. Universal Appliance: Mount your phone to car dashboard,Windshield,mirror,,bed post,wall,locker and most surfaces. [To get the best performance]Please 1.Clean the adhesive surface. 2.Wait for at least 12hours after you have stick the mount to the surface to make sure the mount in the most stable condition!