About this item Replacement audio upgrade HIFI cable for headphones. Length: 150cm/4.5ft. Cable diameter: 4mm. The cable material is made with OFC wire inside and features a braided tangle-free exterior. The jack is 3.5mm male with a 6.35mm adapter to 2.5mm male (the 2.5mm end comes with a lock similar to the original cable). Compatible with specific headphone models. Product dimensions: 5.91 x 0.59 x 5.51 inches.