The interface of the micro 2p motherboard is a B-type interface. The type of product is vertical straight insertion type, and the shell is made of high-strength stainless steel riveting. There are terminals inside, with two pins and 2P pins at the tail. During welding, the pins are welded to the PCB board, and the two pins are 180 degrees welded to the PCB board. There is rectangular plastic at the bottom, which serves as a fixing device when inserting product boards (PCBs). The micro 2p motherboard only has charging function and does not have data transmission function. The product uses materials, hardware shell: high-strength stainless steel, plastic body: environmentally friendly and high-temperature resistant LCP plastic, pins: high conductivity copper. It can withstand repeated plugging and unplugging for over ten thousand times in terms of wear resistance life. The height can be selected as H=9.3, 10.0, 10.5, or 11.5mm.