About this item Replacement audio upgrade HIFI cable compatible with various headphones. Length: 2.5 meters (8.2 ft), package includes: 1 replacement cable (headphones not included). Cable Diameter: 4 mm, cable material: the inside cable is OFC wire, the outside cable is braided tangle-free. Connector: 3.5 mm male & 6.35 mm adapter to 2.5 mm male (comes with the lock similar to the original cable). The 2.5 mm male on this cable is only compatible with specific headphones. Dimensions: 3.94 x 1.18 x 0.39 inches.