Outstanding Craftsmanship The core of these three earphone cable upgrades consists of high-purity monocrystalline (single crystal) silver-plated copper(OCC). These strands are joined together with extremely strong Kevlar fivers in order to ensure your audio signals are transmitted with the utmost fidelity while maintaining maximum durability. The left and right channel cables are put side-by-side in a double-stranded design, which allows for the two channels’ signal to be independently carried for greater channel separation. All of this in a eye-catching semi-transparent cable sheath made of environmentally-friendly TPU. The MMCX connectors are made of totally transparent (even at the blue and red markings that indicate the left and right channels)to maintain a sense of a cohesive whole throughout the entire cable as well as to let you glance into the inner workings of the connector. Take the sound quality of your existing earphones to the next level The high-purity monocrystalline silver-plated copper of the LC-2.5B/3.5B/4.4B’s core preserves the texture of your music more faithfully and ensures a smoother frequency response and an overall cleaner sound. Go with this cable for a guaranteed upgrade in details and fidelity for your current earphones. Stylish addition to your stylish self Along with enjoying better sound quality, proudly displaying this earphone cable with its transparent high-purity cable indicates how serious you are about your music in a stylish, subtle way.