Universal Compatibility: The car headrest mount works with all 4-11 inch devices like iPad 10.2, Pro 9.7, 10.5, Air mini 1 2 3 4, accessories, Samsung Tab, Switch, smartphones and shelves. Quick installation: put both front seat backs in the same position. Open the buckle on the support rod to adjust the length of the rod so that you can install it on the back of the seat. The bracket should align the gears.Press it on the buckle and tighten the holder to work. Flexible DesignThis car iPad holder features 360 degree rotation and multiple angles. The angle is adjustable, helps you find your most comfortable viewing angle and enjoy your tablet or smartphone. Anti-vibration and anti-frictionSoft rubber coating protects your devices against friction, the telescopic arms can effectively prevent vibration and at the same time grip your back seat and devices firmly. Specification: Color: Black Size: 18*11*7cm Clamping range: 11-20.5 cm Quantity delivered: 1 piece