This Car Headrest Tablet Mount is completely compatible with all 4-11 inches smartphones and tablets. It has a 360° rotatable and adjustable arm, making it ideal for both portrait and landscape viewing. The mount is designed for car headrests and is perfect for backseat entertainment, allowing passengers to watch movies, read e-books, or play games during road trips. The mechanical switch design holds the tablet tightly, and a soft sponge pad protects the device from vibration and scratches.