ASUS NC1 - Anti Noise Headphones

Asus introduced Active Noise Canceling (ANC) headphones at CeBIT 2011. ANC headphone, ASUS NC1,  able to reduce noise as much as 87%, most efficient performance rather than all types of headphones in its class. Not only that these headphones also comes with a lightweight material, weighs only about 130 grams. 

To use this headphone users only need one AAA battery which is claimed to provide