Over-Ear Headphones

Active Noise Cancellation Technology（ANC). Professional advanced noise cancellation technology,effectively cancel 85% machine noise such as airplane/bus/factory/office noise, etc.(pls kindly note:it’s not 100% noise cancellation,but it will quell much background noise.)so you can focus on what are you doing.ANC function works well in both wired and wireless mode.NC25 noise cancelling headphones…