• Extends headphone or auxiliary cables to transmit high-quality stereo audio. • Male-to-female extension cable ideal for smartphones, laptops, and audio players. • Gold-plated connectors and end-to-end shielding for a clear audio signal. • Metal casing protects soldering points, providing great strength and robustness. • Ultra-flexible and resistant PVC coating protects high-purity copper conductors. • Compatible with headphones with 2 or 3-pole jack connectors.