【Free Rotation】: 360 degree rotation and 180 degree folding allow you to adjust your phone to different viewing angles for reading and watching videos. When you receive the cell phone finger ring, you will see the white ring. Tear off the white adhesive film on the back of the ring to make it transparent. 【Unique Design】: This phone finger holder is designed to be transparent, allowing you to maintain the unique design of your phone case while providing you with the functionality of a phone ring holder. 【Durable Material】: Durable material and strong adhesive so that the ring can be firmly stuck to the back of your tablets/phones or their cases; ensures easy installation. (Please DO NOT remove the finger ring holder after sticking it on your phone, because the adhesive will not be sticky enough within 24 hours.) 【Strong and Firm Adhesion】: The cell phone ring holder holds devices firmly, prevents your phone from falling and reduces the risk of theft, while you are using your phone or taking photos. The cell phone ring holder can also be used as a kickstand. 【Universal Compatibility】: Fits all flat and non-textured surfaces. The clear cell phone ring holder can be used on most smartphones and tablets.