1. Gold-plated spring pin with low resistance and strong conductivity 2. Excellent material, more stable output.1. Smart wearable products: smart watches, smart bracelets, smart glasses, Bluetooth headphones, smart gloves, VR, etc. 2. 3C consumer products: tablet PC, electronic lock, electric car, smart water cup. Cell phone. Charging data line, etc. 3. medical industry: medical equipment, beauty equipment, hearing aids, blood pressure meters, heart rate monitors, handheld electrocardiograms, etc. 4. intelligent devices: intelligent robots, sensors, handheld devices, drones, vehicle-mounted devices, etc.