BATTERY LIFE: 80 hours of battery lifeNOISE CANCELING HEADPHONES: Featuring a 1222,000 Hz frequency response for pristine bass, mids, and treble, these lightweight headphones reduce ambient noise by 95%, so all youll hear is the music.NOISE-FREE EXPERIENCE: flip the switch and take advantage of proven Noise Canceling technology, giving you an outstanding noise-free (up to 95%) audio performanceHIGH-ENERGY MAGNETS: High-energy 300 kJ/m3 neodymium magnets facilitate the delivery of rich, powerful sound with deep bass and clear highs.FLEXIBLE DESIGN: Compact for portability yet affording listening flexibility, the swivel, folding earpads let you enjoy music in many ways.