About this item CompatibilityUpgraded Flexible Audio Cable Replacement for HD598 / HD558 / HD518 / HD598 Cs / HD599 / HD569 / HD579 Headphones Wire MaterialBlack imported environmental PU material spring (good hand-feeling, frosted texture), wire length 1.2m (stretched length up to about 2.5m) Jack3.5mm male to 2.5mm male, extension tail design for better durability, function with microphone and volume control. Compatible with any devices with 3.5mm audio jack output, such as smartphone, tablet PC, notebook, desktop. Features5N copper material (30*0.06mm), black imported environmental PU material spring 1.2m, stretch length up to 2.5m Size: 3.19 x 2.64 x 1.02 inches