Hand Spinner Function - The round parts of the ring grips using as balanced fidget feature which will spinner about 30s+ smoothly, can help you relieve stress fidget spinner.
Easy Installation and Clean - Use advanced and sticky 3M pressure sensitive adhesive. You can attach it to any smartphones and tablets. Dust can be washed out using clean water to restore strong adhesiveness.
Multi-Functional Application - Anti-drop, Anti-theft, convenient and safe grip to prevent dropping device and control device while you are operating phone and taking picture.