【BEST VERSION】This must be the best one on the market currently because product development is standing on the shoulders of giants..【WIDE CAR HEADREST COMPATIBILITY】Fits almost 95% car models on the market. Make sure the distance of your car headrest rods is from 2 to 7 inches..【WIDE DEVICE COMPATIBILITY】Compatible with all device from 4.7 - 12.9 inch. Beware the size is diagonal measurement, not the width of your device. Also It will be thick case friendly even if the case is up to 0.8 inch thickness..【SAFE AND STURDY】You can be worry-free about the security due to the triangular structure. Safe enough, sturdy enough..【SPACE SAVER】Pull it out when using. Press it back when storage. Save the space without blocking your way in/out car.