This car video player supports multiple functions, such as built-in speakers, stereo, picture-in-picture display, etc., to meet the needs of different groups of people. Rear Seat Entertainment System: Rear passengers can watch news, movies, play online games, download apps or games, check email, chat and more. Long trips with kids are no longer boring. Compatible with a wide range of digital file formats, providing your child with new entertainment for short or long trips. Expand your media choices by playing music, videos or viewing photos natively. With AV input and output, you can share content from other devices to this monitor screen. It can be easily adjusted to mount this player on car headrests of different sizes. No need to worry about damaging your car's interior, airbags, and security systems.