Product material: The plug is gold-plated, the wire is TPE, the outer woven fiber mesh, and the conductor is copper wire. The shell is aluminum alloy Features: Using copper core conductor, no loss of sound quality. The wire is protected by a braided mesh, which is effectively tensile, pressure- and dirt-. The shell is made of aluminum alloy oxidation, which does not fade, and the appearance is high-end and beautiful. The copper material of the plug is gold-plated, which has good transmission performance, low transmission loss, and is not easy to oxidize and decolorize for a long time. Product Usage: Used for mobile phones, tablets, laptops, MP3/mp4 and other devices to connect to power amplifiers or active speakers with input interfaces. Can connect mobile phone tablet with 3.5mm interface to active speaker with interface, power amplifier. You can also connect the audio player with interface to the desktop speaker with 3.5mm interface, power amplifier. Support bidirectional transmission, regardless of positive or negative. Type:AUX Cables Connector B: Connector B:AUX Gender:Male-Male Model Number:3.5 jack to 2 audio cable Shielding:Braid color:Blue Material:Gold plating+TPE+fiber mesh+copper wire+aluminum alloy size: length about 1.8m Package Contents: 1 x Audio cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.