[Worry-Free Customer Services] The package prepared for you with a user manual to facilitate installation, please read carefully before using. If you have any problems with this air vent car phone mount holder , please feel free to contact us. MIUOLV will provide a satisfactory solution for you within 24 hours. . [No Blocking Air Vents] The car phone mount body is made of high quality and durable ABS material, small and neat, keeping your phone away from blocking the cool air in summer and hot air overheating crash in the winter. This provides you with the comfort brought by the A/C in the car to a greater extent. NOTE: It supports horizontal and vertical air vent blades (round louvers vent not fit). [Large Phone&Thick Case Friendly] MIUOLV air vent phone holder for car is compatible with phones from 4 "to 7.1", such as iPhone 15 14 13 12 pro max, Samsung Galaxy Z Flip Fold 5 4, S23 Ultra S22, Google Pixel Fold 8 7 Pro etc. With a thickness of 0.8 inches, which is roughly equivalent to the width of your thumb, the phone clamp provides secure support. Furthermore, it easily accommodates large or bulky phone cases, ensuring a hassle-free mounting experience. [Superior Stability] This phone holder for car vent adopts upgraded anti-loosening design, securely fixed to the vent by tightening the knob, not shake not sag. The metal hook can firmly hook the vent blades, which forms a 3-point support with the baffle to provide double protection. Whether you are driving on bumpy roads, rugged mountains or encounter sharp turns, speed bumps, this cell phone holder can resist shaking and avoid falling off from the car vent to ensure your travel safety. [Anti Overload Metal Hook Clip] Our vent phone mount for car is equipped with a 1.3 inch metal hook clip which is longer than the ordinary one, solving the common problems of poor compatibility and easy falling off. In addition, it has an advanced anti-overload feature that prevents damage to car's vent blades. A "clatter” you hear when installing the hook in the air vent means that the car mount has been fixed tightly. [Innovative Gravity Car Phone Holder] MIUOLV car vent phone holder features a flexible slide-in design that extends automatically according to the weight of the phone, saving you from having to adjust the height of your phone. Compared to other plastic phone clamp bases on the market, MIUOLV is made of high-quality aluminium alloy, which is more durable and sturdy. And it supports the horizontal screen use, providing you with the different angles of view for driving needs.