Unparalleled Sound Quality: The Highwings 3.5 audio cable transmits ultra-high sound quality perfectly synchronized with the audio, delivering every note with clarity. The thick metal connectors ensure a solid connection without annoying beeps, noise, or mono sound, allowing you to enjoy the world of HiFi music with high quality and comfort. Perfect Fit: The 3.5mm jack, with its precise connector shape and 24-karat gold-plated construction, provides good conductivity, is resistant to repeated plugging and unplugging, and is resistant to interface loosening. The aluminum metal housing and fully rolled solder joints provide the ultimate in durability and breakage resistance. High-Strength Nylon Braiding: The Highwings AUX audio cable is braided with a high-strength, break-resistant nylon cable. It has passed over 25,000 bend tests and pull tests, ensuring a long lifespan. Internal tin-plated copper wire and multi-layer shielding protection ensure reliability, reduce signal loss, and provide clear original sound. For Music Lovers: The plug-and-play type requires no other installation and is perfect for car trips and music playback. By connecting your smartphone, you can easily enjoy high-quality music even with a smartphone case on. 3.5 mm Jack: The Highwings 3.5mm aux cable terminals are 3.5 mm standard audio plugs, fully compatible with 3.5 mm connections such as headphones, car radios, mobile phones, tablets, laptops, Hi-Fi, and home theaters. Android devices, speakers, and other devices. I purchased this on Amazon but am selling it because I haven't had a chance to use it. I have opened it to check the contents, but it is unused. Please understand that there may be minor scratches or stains due to home storage before purchasing. The above is the product description from Amazon. 127