There are two modes of the phone holder. The clamping range of the phone holder is 2.44 inches to 4.09 inches (6 cm to 10.4 cm). Press the upper right and lower left buttons, and gently pull the clips on both sides to switch to the tablet stand mode. The clamping range of the tablet holder is 5.5 inches to 8.4 inches (14 cm to 21.5 cm). Compatible with 3.5 to 11-inch devices Such as iPhone 11, 12, 13, 14, 15, 16/ Pro/ Pro max/ Mini/, Samsung, blackberry, iPad Air 2, 3, 4, iPad mini, iPad Pro 11 inches, Galaxy, LG, Google Pixel, etc. No installation required, easy to store, and lightweight, weighing only 4.85 pounds /2.2 kilograms. It is convenient to store. After storage, its volume is only 14.76*8.26*2.75 inches (37.5*21*7 cm). No installation required. Just open the package and it's ready to use. Note: It is only compatible with devices ranging from 3.5 to 11 inches. It cannot be used normally on devices larger than 11 inches such as iPad Pro 12.9. For tablet mode, please press the buttons on both sides simultaneously and then pull it out from the stand.