Product description Size: Scalable range 5-22cm 18.12.8.9.4cm Clipping range 11-20.5cm Color: black Material: ABS+PC, TPU, aluminum alloy Package content: 1pcs car rear pillow bracket 1.Broad Compatibility: This car headrest mount works with tablets, cell phones and other devices ranging from 5in to 14in, thus covering a broad spectrum of mobile devices sold in the market today. With the spring loaded method, the holder will grip the device tightly, doesn't budge easily. Intentional holes allow the device could still be charged while being clipped on the car headrest mount. 2.360-Degree Rotation, High Maneuverability: With a fully customized ball joint and arms that provide 360-degree rotation. You can use your tablet in either portrait or landscape modes. And you can also choose the distance and viewing angle that is most comfortable for everyone. 3.Secure & Stable: The tablet mount for car has a stabilizing arm to effectively support larger screen devices like the iPad, making it a convenient way to hold most 14in tablets. The speed bumps wont affect the screen. 4.Rubber Protection: The tablet headrest mount comes with soft padding to protect your device and car headrest. 5Easy Installation, No Tools Needed: This tablet holder for car is easy to install. There are two screws and one ball joint on the iPad holder for car. The ergonomic design allows you install and adjust it without any tools. Note: Please carefully measure the distance between two headrest poles and the diameter of the headrest pole before purchase.