4 Pack of Two Channel Folding Universal Rear Entertainment System Infrared Headphones Wireless IR DVD Player Head Phones Headsets for in Car TV Video Audio Listening 4 Pack of Wireless IR headphones to enjoy in car listening without the hassle of cables Automatic shut off prevents batteries from draining when left on Two Channel 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) Express Amazon Prime Shipping From US Warehouse instead of slow oversea Shipping From Other Sellers