1. The male head is connected to a mobile phone, notebook or tablet computer to expand functions, and the female head is connected to an earphone, or through an extension cable power amplifier, speaker AUX port 2. Gold-plated plug, high fidelity, lossless sound quality 3. No fading, anti-scratch, anti-corrosion, beautiful appearance 4. 90-degree elbow design, listening while playing, does not affect the game, does not disturb others 5. Compatible with most 3.5mm interface devices
