Connectivity PNI DB900 car headrest media player is equipped with an SD card slot, USB 2.0 port, Audio-video input for playback from an external source, and an optical drive for playback of CD/DVD. In addition, the product also has an audio output for connecting headphones. If you want to use a memory card or USB stick larger than 4GB, make sure it is formatted in FAT32. Main features: DVD player touch screen > MP4 balanced digital technology deconding for a sharp image and without interfereces FM transmitter: 87.7 107.9 mhz double last trasmitter one AV in and one output av SD card slots and usb built in speakers Technical Specifications: 22.9 cm screen > 800 x 480 resolution px temperature: storage : -20° to +70°C / Use: -10 + 60°C > Rated Voltage: DC 12V Maximum Power Request: 12W