About this item Compatible Models: Q701, K702, K712, K240, K240S, K240 MK II, K141, K171, K181, K271, K271S, K271 MK II, K241, K175, K275, K712 PRO, K553 MKII, M220, Pioneer HDJ-2000, HDJ-2000MK II, H118, H128 headphones. Excellent Sound Quality: conductor is using 99.999% (5N) Purity OFC (Oxygen-Free Copper), Cable made by Matched Crystal(MC) Metal and Silver Plated Core, with 24K gold-plated Plug & braided nylon cable. Better soft extension of high frequencies, better round richness of intermediate frequency, better solid bass. Cord Length: 4ft, the appropriate length raises its use efficiency. Overall dimensions: 4 x 2.1 x 0.2 inches.