???Simplified mount – One Button Release??Press button on the right side of the unit, the arms will slide open, put the mobile phone on it. Press the arms on both sides to clamp mobile phone. You can adjust the mount and release your phone with a single hand, save time and power, improved safety and convenience. ???3-Level Adjustable Clamp??This car phone mount holder adopted three-setting design, suitable for universal air vent blades width between 2.5-3.5mm, 1.8-2.5mm or within 1.8mm, not applicable for circle vents. ???360 Degree Rotation??The fully 360-degree rotation makes you can adjust the different view angle, you can place your phone in any orientation. No matter where it is installed, you can adjust to the best viewing by yourself. The holder ensures safe driving whether you are calling, monitor maps, charging or listening to music. ???Well-designed??Movable support foot, both horizontal and vertical vents can be clamped stably. Reserve mobile phone charging port location, easy to set up for use with charging and audio ports while mounted. ???Widely Compatible & After-sales Service??Suitable for width size from 1.9 inches to 3.7 inches smartphone or electronic devices. Dilated clamp hand allows you to hold phone with thick case. Passed a wide range of tests, fit for most cellphones, iPhone 11 Pro Max XS/XS Max, XR, 7/8, 7/8 Plus, 6s Plus, 6s/5s/5c, Samsung Galaxy S10/S9/S8/S7, Nexus, Nokia, GPS Device, etc. We provide 45 days money-back and worry-free 18-month. Any situations, please contact us with your order id.