Active Noise Cancelling Wireless Headphones: ANC technology cancels outer noise, allowing you to enjoy your audio on the subway, bus, plane, and other noisy situations.
Audiophile-grade sound: a finely tuned audio symphony pairs with an advanced CSR Bluetooth chip and dual large-aperture drivers.
Battery improve and upgrade : More battery life and work better than before. 24-hrs playtime per charge(2.5hrs)
24-Hour Playtime: Stream audio or chat away for nearly a day per charge (2.5hrs) ; or connect this wireless headphones with the included audio cable when the battery's low.