Gold Plated: Gold plated plugs ensure smooth, corrosion-free connections every time. TRS (tip-ring-sleeve) plugs provide three conductors for the ground/return and for transmitting left and right channel audio data. Lengths: 3, 6, and 10 feet Durable: We bend tested this cable over 5,000 times with no damage to the cable or change in performance. The premium aluminum connectors provide an extra measure of durability. Slim Design: Our beveled step-down design creates a secure connection, while the connector heads are thin enough to plug into a smartphone with a protective case installed.