Control the silenceOver-ear wireless active noise canceling headphone 40mm drivers/closed-back Over-ear 30 hours play time or talk time (25 hours with ANC on) On any trip, these headphones are up to the task. A single charge takes just 2 hours. You get 30 hours play time (or talk time) with Active Noise Canceling off, and 25 hours with it on. Two levels of fast charging--Rapid Charge and Quick Charge--give you an extra 2 or 6 hours play time. Active Noise Canceling (ANC). Lose yourself, not the music Leave it all behind with Active Noise Canceling. Shut off the noise of a train or busy office at the touch of a button. If you're out and about, you can listen to your music and stay tuned to the noise of the street in Awareness Mode. Smooth, adjustable headband. Soft ear-cup cushions From playlist to podcast, perfectly tuned neodymium acoustic drivers deliver deep bass and clear midrange frequencies. Soft ear-cup cushions cover your whole ear, creating a seal that passively isolates external noise. The headband is light, easily adjustable, and smooth: there'll be no getting these headphones tangled in your hair. Flat-folding and compact-folding design. Easy storage These wireless headphones boast soft ear-cups that fold neatly in two configurations. You can fold them flat, perfect for storing in your office drawer or the included carrying pouch. Or you can fold them flat and inwards, creating a compact bundle that fits into coat pockets and bags. Hi-Res Audio. Hear every detail Twinkling pianos. Blistering rock. Whatever you love, Hi-Res Audio headphones let you feel the full impact of every note. When wired to a Hi-Res source, you