Item Type: Headphone Cable_x000D_ Wire Outer Diameter: Approx. 3mm / 0.12in_x000D_ Wire Material: Oxygen-Free Copper_x000D_ Wire Core Material: Silver-Coated Copper Wire_x000D_ Wire Color: Black Braiding Wire_x000D_ Wire Length: Approx. 1.2m / 3.9ft_x000D_ Product Plug: Approx. 3.5mm / 0.14in_x000D_ Whether to Control by Wire: Yes_x000D_ Applicable Model: Fit for Sennheiser HD4.30 HD4.40BT HD4.50BTNC_x000D_ Applicable Products: The playback audio source interface is 3.5mm, which can be compatible with mainstream equipment on the market._x000D_ How to Use: Plug and play 1Perfect for use as a spare or replacement of damaged or missing audio cables, fit for Sennheiser HD4.30 HD4.40BT HD4.50BTNC headphones. 2With microphone and volume controller, it can be controlled by wire, and eliminate skin effect that affects the high frequency transmission of sound. 3Cooperate with rigorous production process to ensure the good fidelity of the details of the audio signal. 4OFC copper wire is used to improve the resolution and separation of the earphones and eliminate the dull feeling of bass. 5Make sound more transparent, natural and beautiful, restore the real sound, and bring a different listening experience.1 x Headphone Cable1. Please allow 0?1 inch error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.