1. Multifunctional car headrest This car headrest monitor can be operated by the function buttons on the monitor or the remote control, which is easy to use. When not in use, it can be used as a headrest to protect your cervical spine. When needed, you can use headphones to enjoy wonderful music and videos, making your car stylish, convenient and safe. 2. Screen DesignUsing a 7 inch screen design with a resolution of 800*480/1024*600, which can be adjusted according to your needs, with a multi function menu, you can enter commands according to your needs. 3. Model Adaptation The distance between the two headrests of this car is adjustable 13 18cm, suitable for installation on all car models. The installation is very convenient, and the installation principle is basically the same as the original headrest. 4. Gift This car headrest is a gift for father's birthday or father's day, and it is also a wonderful gift for driving colleagues.