The adjustable clamp can hold devices up to 3.54 inches (90 mm), suitable for most types of phones. The red rubber on the clamp can well protect your phone from damage. If you have a pop-up socket on the back of your phone, you can use this phone holder. You don't need to remove the pop-up socket, the clamp will avoid damaging it. Adjustable Durable Arm: The vacuum suction cup uses a stronger and better spring lock inside and will not break. It will fit tighter to the windshield. Full 360-degree rotation with adjustable clamp, you can adjust your phone for a good viewing effect. iVoler Upgraded 6-inch Long Arm/Neck Car Mount with triple-layer strong suction cup and X-clamp gives you a perfect viewing angle when driving your vehicle. Compatible with iPhone 15 14 13 Pro Max XS 7 8 Plus, Galaxy S24 S23 S22 Plus Ultra, Google, LG, Huawei and almost all devices with 3.2 - 6.0 inch diagonal screens. Super strong suction with switch for quick use, sticks well to the windshield. Easy to install, no tools required. Glue-free suction cup windshield mount, can be used in hot summer. Note: Cannot be used for car dashboard. Non-stick suction cup can stick to windshield/glass as firmly as sticky ones. What's more, it can work in hot weather because its suction cup will last under high temperature, while sticky suction cup may lose stickiness and stop working.