Comes with 3 sets of interchangeable Snap-On color skins. Choose from beige, grey, or black. 16:9 lets you enjoy your widescreen DVDs without annoying black bars across the top and bottom of the screen, or zooming in to some awkward ratio and loosing most of the image. 3.5mm Auxiliary Audio Input connects the audio/video output of an auxiliary entertainment device like handheld media player or game console for playback through the headrest, using included adapter. Second Source A/V Input to join the outputs of each headrest to the opposite headrest A/V RCA inputs to enjoy the same movie. Game consoles or other entertainment devices could also be connected. FM Transmitter lets you tune your car stereo to one of 10 available radio stations to hear the movie throughout the entire vehicle stereo system. Select from 88.1-99.9mHz frequencies. Dual Channel IR transmitters send the audio signal to any dual channel IR headphone. 8 infra-red LED"s ensure sufficient signal strength. Check out HP-12 headphones for your system!