5 Pack of Two Channel Folding Universal Rear Entertainment System Infrared Headphones Wireless IR DVD Player Head Phones for in Car TV Video Audio Listening 5 Pack of Two Channel headphones. Wireless IR headphones to enjoy in car listening without the hassle of cables Automatic shut off prevents batteries from draining when left on 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) These will not work if your screens are in the headrest and are not Bluetooth Headphones. For IR systems only.