Description: The outer casing is made of exquisite aluminum alloy, which can effectively exert its shielding effect, enhance anti-interference ability, ensure high-speed transmission of signals, and pure tone. The standard 3.5mm oxygen-free copper gold-plated plug rejects oxidation and rust,. Compatible with the connection between various 3.5mm interface devices and playback devices, and is also suitable for transmission of car audio signals.(Mobile phone, MP3/4, computer, stereo, radio) High-strength nylon wire, sturdy and durable, environmentally friendly, to avoid corrosion of the wire, can be beautiful and clean for a long time. 100% brand new, high quality. Specification: Material: nylon braid + alloy Line length: approx. 100cm / 39.37inch Package Includes: 1 Piece 1m audio line Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above