These high-performance ear phones deliver heart-thumping bass, loudness levels, clear, high-quality music, which sure rock in each sound department and effectively block outside noise although. The ICY BOX headphones feature bold colours in a high gloss casing ? a design that has been consciously chosen to reflect music, mood, and style. These high-performance ear phones deliver heart-thumping bass, loudness levels, clear, high-quality music, which sure rock in each sound department and effectively block outside noise although. The ICY BOX headphones feature bold colours in a high gloss casing ? a design that has been consciously chosen to reflect music, mood, and style. Active noise cancelling ? enjoy pristine balanced sound anywhere with these noise-cancelling headphones. Active noise-cancelling headphones can do everything that passive ones can do ? their very structure creates a barrier that blocks high-frequency sound waves. They also add an extra level of noise reduction by actively erasing lower-frequency sound waves.