No more fear of wire breaking down after a few years of use with extra shielding.We have strict test for each Audio cable before we sent it to you. Bi-Directional: Seamlessly transmits stereo audio for high quality sound.Grasp the details of music and make the sound clearer and fuller. 22AWG: Ultra-high purity copper with nylon braided jacket. Works on all types of 3.5mm aux ports without protection case. Please noted that this cable is fine for equipment that doesn’t need to move around. SKW Cable is famous for its high quality innovative products in the industry .Built with dual-shielding, high-quality polished metal and corrosion-resistant gold-plated connectors making it less susceptible to outside interference.