About this item Basic ParametersCable material: The cable core is made of a Copper and silver mixed material, wrapped in TPE in the middle, weaving wires outside. The advantages of the Copper and silver mixed material include improved low frequency strength and clearer treble. Compatibility3.5mm to 2.5mm Upgraded Flexible Audio Cable Replacement for various headphone models. Please ensure compatibility before purchase. Pin DesignThe plug is made of gold-plated copper, with a firm and durable internal mechanical injection molding, and a finely crafted external CNC hardware kit. Installation methodWhen connecting the headset to the 2.5mm plug, rotate clockwise half a turn to securely lock it in place and prevent it from falling out. Ensure the 3.5mm interface is properly inserted into the audio player to avoid issues such as one side having no sound or producing a murmuring tone. Dimensions: 3.66 x 2.64 x 0.51 inches.