Denon AH-NC732 Active Noise Cancelling Headphone (Discontinued by Manufacturer) iPhone/Touch Compatible no headphone adaptor needed! Comes with a handy molded case for travel along with all of the adaptors you might need 40 hours of battery life with a single AAA Over 95% noise cancelling Lightweight collapsing design Over 95% noise cancelling 40 hours of battery life with a single AAA Lightweight collapsing design Comes with a handy molded case for travel along with all of the adaptors you might need iPhone/Touch Compatible no headphone adaptor needed!