Features: 4 strands of high purity oxygen free copper wire core ensure high quality audio source output. In order to further improve the sound quality, the main line is thickened to 3.0mm and the branch line is 2.7mm. Gold-plated 3.5mm plug is widely compatible with smartphones, tablets, MP3 and other 3.5mm audio devices. 1255cm in length, enables flexible using, soft and smooth, tangle-free and durable, excellent in appearance. Repacement cable is compatible with Sennheiser HD414/HD650/HD600/HD580/HD565/HD545/HD535/HD525/HD265/HD25. Specifications: Material: Oxygen-free copper large-diameter nylon wire Plug: Gold-plated straight plug Wire Diameter: main line 3.5mm, branch line 2.7mm Line Length: 1255cm Color: Black, Bronze (Optional) Package Size: 8.2*6.0*1.0cm/3.22*2.36*0.39in Package Weight: 24g/0.84oz Package List: 1 * Upgrade Audio Cable