UNIVERSAL COMPATIBILITY: The headrest tablet holder is compatible with iPad, cell phones, Galaxy Tabs, Switch, or other 4.7 -12.9 inch devices. It is suitable for most vehicles, just adjust the distance between the two sides. It fits the headrest with a width of 4.7in-12.9in between the two metal posts. | DUAL TABLET STAND: Different from traditional tablet holders, the upgraded in-car headrest tablet holder can hold two electronics to meet the needs of rear passengers. (Note: only for models with metal pillars in the headrest of the car seat) | ROTABLE & MOVABLE: The 360 degree joint ball provides you a swivel adjustment, you can adjust a comfortable angle no matter landscape or portrait mode. In addition, the head restraint bracket has retractable arms that can easily extend up to a maximum of 16 inches to suit your usage needs. | SECURITY & STABILITY: The rod of the headrest mount are made of aluminum, strong and sturdy. Equipped anti slip and anti vibration silicone pad will preventing your electronic device from scratching, bumping or shaking, providing you a safe and comfortable experience during the driving trip. The holes on both sides of the telescopic arm are precisely cut to ensure convenient and barrier-free charging. | EASY TO INSTALL: No tools are required to install the car headrest flat bracket. You just need to pull the retractable legs of the rear seat headrest bracket to adjust the size of the bracket to install or remove your device. Universal headrest iPad holder to keep your kids or other rear seat passengers entertained on long drives.