1. 2.5mm gold-plated plug, ladder design, stable connection and not easy to interfere with the phenomenon, not loose 2. 3.5mm device interface, antioxidant, pluggable, stable and anti-interference, easy to access 3. OFC oxygen-free copper, low resistance, high conductivity, durability 4. With volume controller, with microphone function and song switching function 5. Material: TPE, oxygen-free copper core 6. Plug: 3.5mm, 2.5mm (thickened gold-plated four sections) 7. Wire diameter: about 2.5mm 8. Cable length: about 1.4m 9. Weight: about 17g
