Cell phone holder is designed with built-in four strong N52 magnets, while most of the sellers only use weaker strength magnets (N45). The four stronger N52 magnets allow you to hold your mobile phone or sat nav in a stable and secure manner, even on extremely bumpy roads. Don't worry anymore about your phone slipping or falling off. The swivel ball head of car phone holder offers 360 degree rotation, so you can adjust the phone to an optimal viewing angle at any time and use the navigation more easily and conveniently. In addition, it is possible to change the orientation of the mobile phone while driving and easily remove or insert it with one hand. Contains a new type of clamp with a metal hook for fastening in the air vents, adjust the length of the clamp to match the outlet length by turning the knob. Then finish the installation. And fixed wings on both sides, resulting in a stable three-point structure that offers exceptional stability. Universal mobile phone holder car ventilation for smartphones, such as iPhone 12 Mini Pro Max/11 Pro/xs/xr/x/8/7/7 Plus/6/6plus/6s, Samsung Galaxy S9/S9 Plus/S8/S8 Plus/S7/ S6/S5/J3/J5/J6/A5/A6/A7/A3, S4 / S4 Active / S3 / S3 Mini / S4 Mini / S2 i9505 / i9500 / i9300, Huawei P20 Pro/P8 Lite 2017, OnePlus 6, LG , MOTO etc. 2 mobile phone holder car magnet, 8 metal plates and 4 round transparent stickers. You can stick the sticker on the back of the phone first, and then stick the metal plate on the transparent sticker to avoid traces. Please note that we do not recommend a magnetic mount if you normally use wireless charging.