OUKU&reg;4PCS 4 Pack of Two Channel Foldable Universal Rear Entertainment System Infrared Headphones Wireless IR DVD Player Hedrest Monitor Roof Mount Head Phones for in Car TV Video Audio Listening Black 4 Packs of Wireless IR headphones to enjoy in car listening without the hassle of cables Headphones fold up for easy compact storage 3.5mm Auxilary port. Allows plug in use on any Ipad/Pod, MP3 devices that uses a 3.5mm auxillary cord (cord not included) Two Channel headphones for headrest monitor, roof mounted car dvd players