audio-technica athanc7 noise-cancelling headphones
audio-technica s lightweight and compact ath-anc7 quietpoint headphones are ideal for use with mp3 cd dvd and in-flight entertainment systems with fully integrated anc circuitry that effectively reduces distracting background noise by up to 85 active noise reduction up to 20db . 40mm drivers with neodymium magnet systems in each earpiece provide superior audio quality for deeper bass extended treble and higher fidelity while a single aaa battery powers the active noise-cancelling technology with or without audio . ath-anc7 quietpoint headphones fold flat for easy portability and include a detachable cable remove for noise-cancelling function without audio with 3.5 mm mini-plugs a full-size adapter a specialized airline adapter for connecting to in-flight entertainment systems and a handy carrying case . the detachable cable is 5.2 inches long .