1 Two Channel Folding Adjustable Universal Rear Entertainment System Infrared Headphone With 1 Additional 48" 3.5mm Auxiliary Cord Wireless IR DVD Player Head Phone for in Car TV Video Audio Listening Wireless 2 Channtel IR headphone to enjoy in car listening without the hassle of cables 3.5mm Auxilary port. Allows plug in use on any Ipad/Pod, MP3 devices that uses a 3.5mm auxillary cord (cord included) Automatic shut off prevents batteries from draining when left on Headphones fold for easy compact storage These will not work if your screens are in the headrest and they are not Bluetooth Headphones. For IR systems only.