About this item Car rearview mirror phone holder: four corner locking structure, safe and stable; support the corners with protective pads to prevent vibration and shock. Free rotation: the extended support arm can rotate 360, and the built-in universal rotating ball can freely adjust the viewing angle . Easy Installation: It can be easily installed on the rearview mirror to ensure the driver's sight height, good vision and safe driving. Strong Compatibility: Suitable for mobile phones With a width of less than 9.4 cm (3.7 inches), it can be installed with one hand, which is convenient and quick. Universal phone holder: adapts to most vehicles, ideal for using GPS while driving. Suitable for mirrors with a thickness of 2.5cm/1inch-4.5cm/1.77inch and a height of 5.5cm/2.2inch-8cm/3.15inch. /p>