1. 2 in 1 mobile phone audio high fidelity transmission audio cable. 2. Gold-plated plug for high-fidelity sound quality, allowing you to hear more sound details. 3. Connect the sound, the passion of mobile music and audio. 4. Connect headphones, listen to music, and enjoy a person's time. 5. TPE soft protective layer, soft to the touch, not knotted. 6. Compatible with iOS & Android dual system, suitable for all 3.5mm audio interface output devices.