1. Gold plated pinhole, strong electrical conductivity 2. Small resistance, anti-oxidation. 3.The rubber core is resistant to high temperature, flame retardant, beautiful and durable.-1. Smart wearable products: smart watch, smart bracelet, smart glasses, Bluetooth headset, etc. -2.3C Consumer products: tablets, electronic locks, electric cars. Mobile phone. Charging data cable, etc. -3. Medical industry: medical equipment, beauty equipment, hearing AIDS, sphygmomanometer, heart rate monitor, handheld electrocardiograph, etc. -4. Intelligent equipment: intelligent robots, handheld devices, drones, vehicle equipment, etc