[General Compatibility] Compatible with iPad 2/3/4, iPad Air, iPad Mini, Samsung Galaxy Tab, Switch, Huawei MediaPad, iPhone 6-12, Xiaomi, Samsung Galaxy S10 / S9 Plus / S9 / S8 / Note 9 / Note 8 / J3 / J5 / J7, Huawei P30 / P20 / Huawei P; 10 / Mate 20 / Mate 10 Pro etc. [Safe and stable adjustment] Multi-angle rotation to achieve the best viewing angle, the mechanical switch design of the car headrest holder can fix the tablet firmly. A soft sponge lining protects the device from vibrations and scratches, and strengthens the friction between them to withstand loosening and falls. You can enjoy the movies while driving the car. [Convenient installation] Quick installation, no tools required, the distance between the two metal columns of the headrest should be 12.5-15cm [Rotate by 360 ] The car headrest mount features a 360-degree swivel ball joint with tilt mechanism and multi-angle swivel enables a wide range of different position settings to achieve the best viewing angle you want. Color: Black Quantity: 1 piece Size: 19 * 10 * 6.2cm