1.FIT ALL ANDROID & IOS PHONES: The clip of the holder with rubber cushions fits for all cell phones from 4 - 6.5 inches, which can grip the phone without scratching your phone so firmly that the phone will not fall off easily. 2.GAMING WITH BEST CONTROLLERS: Compatible with Xbox One S, Xbox One X, SteelSeries Nimbus & XL controller, the holder works perfectly with these best game controllers in the world, providing you the perfect mobile gaming experience! 3.SAFE & RELIABLE: Not only does the holder has a powerful grip for phones, but also has a well-designed controller grip for the controller to be set in the holder snugly. So, you won't be worried about the phone falling when excitedly playing games. 4.ADJUSTABLE VIEWING ANGLE: The holder features a 160-degree viewing angle so you can adjust it to the angle that fits you. With the wide angle for foldable design, you can just fold it up when you don't need to use it.