1.High quality copper material, the product is reliable, safe and durable. 2.Technology optimization, excellent quality. 3.Gold plated waterproof and dustproof~1. Smart wearable products: smart watch, smart bracelet, smart glasses, Bluetooth headset, smart gloves, VR, etc. ~2.3C Consumer products: tablet computer, electronic lock, electric vehicle, intelligent water cup. Mobile phone. Charging data cable, etc. ~3. Medical industry: medical equipment, beauty equipment, hearing AIDS, sphygmomanometer, heart rate monitor, handheld electrocardiograph, etc.