Our MaxWorks Adjustable Cup Holder Phone Mount can easily fit into cup holders that are 2.28" to 4.6" in diameter. It is designed with an extendable base, making sure it sits securely in your car's cup holder. The adjustable neck changes the mount's height, allowing you to easily operate and access your phone. It also includes a 360 degree swivel ball, further enhancing the view of your phone. The top and bottom buttons at the back of the mount are used to widen the side and bottom clips, allowing it to be compatible with a variety of devices such as iPhone 11 Pro / XS Max / XR / 8 / 7 Plus / 6S, Samsung Galaxy S10 / S9+ / S8 Plus / S7 Edge / Note 9, Huawei, HTC, LG, Moto, GPS, PSP, Google Pixel, Nexus, Sony, Nokia, etc.