[360 Degree Rotation and Four Degree Rotating Shaft]: The rotating ball head for one turn (360) can easily be stretched to a maximum of 10.6 inches. With four rotating shafts, you can easily get the perfect viewing angle.[Your Preferred Setting]: Choose whether your tablet should be placed directly behind a car seat for a single passenger or between the driver and front passenger seats for multiple passengers. Enable more convenient viewing of your video and simplify your life.[Quick and Easy Installation]: Attach the headrest mount to the car seat easily and without tools. Is simply attached to the headrest post, headrest is mounted in seconds and turns your tablet into an entertainment system perfect in the car.[Safe and Stable Protection]: ABS design with soft sponge pad protects your equipment from vibrations and scratches and increases the friction between the two for better grip and can stand and fall freely.[Excellent Compatibility]: This headrest mount is fully compatible with all 4.7-13 inch devices such as the new 2019 iPad Pro 9.7, 10.5, Air Mini 2 3 4, tabletop accessories, tabs, e-readers, smartphones and tablets.Compatibility:The distance between two metal poles on your headrest should be 4.3 to 6.9 inches.Compatible with 6.3 inch-9.3 inch smartphones/tablets/switch. is the diagonal of the screen, not the width.Product Specification:Color blackMaterial: Aluminum and ABS PlasticAdaptive Monitor: Tray with a width of 4.7 to 12.9 inches: 16 24 cmThe package includes:nbsp; 1 x headrest bracket