Targus PA605U Noise Reduction Headphones (Discontinued by Manufacturer) Significantly Reduces All Sources of Ambient Noise and Interference Perfect for In-Flight Travel Entertainment with Airline Two-Prong Adapter Plug Soft Ear Cushions and Adjustable Headband for Unsurpassed Comfort Stereo Headphones Fold Up Easily for Travel and Storage 100 Hours of Use with Two AAA Batteries (Not Included)