Power Acoustik HDVD-93 is a versatile headrest entertainment system that offers a wide range of features and use cases. With its built-in DVD player, USB and SD card slots, and AV inputs, you can enjoy movies, music, and photos from a variety of sources. The 7-inch or 9-inch LCD screen provides a clear and vibrant viewing experience, and the adjustable posts allow you to customize the fit for your vehicle. The wireless headphones provide a private listening experience, and the built-in FM transmitter allows you to share audio with other devices.