This Certified Refurbished product is tested to work and look like new with minimal to no signs of wear & tear; the product comes with relevant accessories and is backed by a minimum six month supplier backed warranty; box may be generic 2*7 mm dynamic drivers – The 2*7 dynamic double unit drivers bring you an unmatched detailed music experience with powerful bass. True bass – The Basemax 900 comes with built-in True Bass feature that lets you thoroughly enjoy electronic and EDM music.