This item is passive noise isolating, NOT active noise cancellation(ANC), it can''t cancel the noise completely but it won''t drain the battery and damage the sound. As an additional factor of sound quality
The closed-back design provides immersive Hi-Fi sound with CSR chip and 40mm driver together. If you care more about Noise Cancellation than Sound Quality.
Foldable design ,the foldable Headband is not only designed for saving your desk space but for carrying in the provided bag.
In case of that and to get both audio and wearing comfort, please take off the headphone every 1-2 hrs to get your ears relax and protect them from muggy environment in use.
The adjustable headband gives your headphones some impressive flexibility so they can adapt to the shape of your head for a perfect fit.

Technical Details

Product Details

Package Dimensions
Width : 5 inch
Height : 4.02 inch
Length : 7.01 inch

Shipping Weight: 1 pounds (View shipping rates and policies)

ASIN : B075XL1X5P