UNIVERSAL COMPATIBILITY: This tablet and cell phone holder is compatible with most devices from 4.7 to 12.9 inches. Suitable for most car models, but not for models without headrest bars or the distance between the headrest rails is not between 130-170mm. Please carefully measure the distance between the headrest rails before purchase. PROTECTION: Car headrest bracket made of sturdy aluminum and ABS plastic, more durable and wear-resistant and corrosion-resistant. It has non-slip silicone rubbers to improve the grip of your tablet or mobile, effectively prevent vibration and prevent damage to your device. Stable and firm hold. EASY TO INSTALL AND ASSEMBLE: This support is easy to mount, once placed on the headrest of the seat, it does not vibrate during travel or with bumps, everything is very fixed. 360 ROTATION: Ball joint allows 360 degree rotation in any direction. Multi-angle rotation allows you to adjust your phone or tablet to any desired viewing angle. Ideal to be able to take the children to have fun on long trips. SMALL SIZE AND LIGHT WEIGHT: Thanks to its small dimensions, it is easy to store when not in use, saving space and allowing it to be carried in bags, backpacks or in the glove compartment of the car.