?Multi-Function?- With one finger occupied the phone grip, use your device with single hand, and reduce the risk of accidently dropping your phone. Free your hands to enjoy watching videos as a kickstand. Compatible with magnetic car vent holder&dashboard magnetic phone car mount. etc. ?Universal Compatibility?- Fit any flat and non-textured surfaces. Cell ring holder can be used on most smart phone and tablets. ?Strong 3M Adhesive?- This grip holder attached with genuine 3M adhesive tape.3M Pressure Sensitive Adhesive Enhancing the Adsorption Force to Prevent Your Device from Accidental Falling. ?Integrated Design?- The phone ring stand can be 180 degree folding&360 degree rotation, the angle of phone holder is adjustable freely. ?High Quality Materials?- The phone ring holder use top quality zinc alloy and stainless steel to avoid color fading away and breaking.