FINGER GING HOLDER: Casegory stylish phone grip rotates 360 degrees, swivels 180 degrees. It Provides comfortable finger grip to conveniently using cell phone and it prevents dropping iPhone or Android smartphone during your daily lives. PHONE RING STAND: Anti-drop, anti-theft cell phone ring free your hands and hold your smart phone safely,good cell phone stand for watching movies, and playing music on any flat surface like cars, desks, tables. COMPATIBLE PHONE CASE: This phone Ring holder might not work well with silicon protective cases, and it might not work on the oily surface. It matches our store all iphone case very well.