[Safe and Stable] This car phone holder with the latest hook clip design, can be securely attached to the air vents. And holds your phone tightly even on turning, roads with potholes, speed bumps and bumpy roads.Don't need to worry about your phone falling off when driving. [One Hand Operation] Press the release button on the back side to open the clamp arms, place your phone and squeeze the clamp arms to lock, easy to insert and remove your phone with a single hand while the holder provides a firm grip on your phone. Providing with safer driving whether you are navigating, playing music, or charging. [Freely 360° Rotation] TOPK air vent phone car holder features a 360° ball joint that assists in adjusting the viewing angle for a clear screen view, in either landscape or portrait mode.We have also designed a non-slip fingerprint area on the side clamps so that you can hold your phone more easily with one hand. [All-round Protection] Built-in gear upgraded, the car phone holder support plate and feet have non-slip silicone pads, especially the arms with notched soft silicone, which not only increase the grip of the phone, ensure safe driving, but also effectively greatly protect your phone from bumps and scratches. And the phone won't fall even on rough roads. [Wide Compatibility] TOPK phone holder is compatible with all 4.0-6.7 inches devices, including iPhone, Samsung, Xiaomi, OnePlus, HUAWEI etc.NOTE: Holder can't compatible the phone case which is too thick or rough, like Leather Flip Wallet Cover, Cover for A Quad Lock, Heavy Duty Case, etc. If the product arrives doesn't fit the car or any product issues,please directly contact TOPK for a satisfied solution.