The interface of the product is an elliptical interface. The shell is made by riveting, with riveting seams on the side of the type-c16p male head. There is a small buckle at the bottom that is fixed to the plastic body. There are two extended pins at the tail, which are inserted and welded with the PCB board during welding. There are 16 pin pins at the tail, arranged in an 8-8 symmetrical manner and attached to the bottom of the product. They are welded to the PCB SMT board during welding. The product is made of high-strength stainless steel as the hardware shell, environmentally friendly and high-temperature resistant LCP plastic as the plastic body, and 16 pin pin pin with high conductivity copper. It can withstand repeated plugging and unplugging for over ten thousand times in terms of wear resistance life. The product is widely used in PD chargers, wireless chargers, car chargers, mobile power supplies, TWS Bluetooth headphones, consumer electronics and other devices. The use of Type-C interface includes 1. data transmission, 2. external display interface based on DP bus, 3. conversion to RJ45 interface to connect to wired network, 4. connection to headphone speaker, 5. connection to peripheral devices such as mouse/keyboard, and 6. charging of digital devices.