●Replacement Audio upgrade Cable Compatible with Sennheiser HD650, HD600, HD580, HD660S, HD58X, HD565, HD545, HD535, HD525, HD265, Massdrop HD6XX headphones ●This cable is made with the Superb Premium Wire. Independent Shield among L, R . Soft enough and comfortable, the inside wire is OFC wire . ●length:120cm/4ft, package include:1*replacement cable(the headphone is not included) ●Its jack is 3.5mm Male and 6.35mm adapter to the jack Compatible with Sennheiser HD650, HD600, HD580, HD660S, Massdrop HD6XX Headphones ●It is Compatible with Sennheiser HD650, HD600, HD580, HD660S, HD58X, HD565, HD545, HD535, HD525, HD265, Massdrop HD6XX headphones