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