The product belongs to the horizontal USB 2.0 mother seat series. The interface is an A-type interface. The overall length is 13.9mm, with shrapnel, and the overall sinking is 1.9mm. There are four legs, the first two legs are soldered to the PCB board, and the last two legs are soldered to the PCB board insert. There are four pins at the tail, which are welded to the PCB board plug-in board. The service life can withstand 10000 plugs and unplugs. Product Material: The shell is made of hardware high-strength stainless steel, the plastic body is made of environmentally friendly and high-temperature resistant LCP plastic, and the pins are made of high conductivity copper.

The difference between USB 2.0 and 3.0 is that USB 2.0 adopts a 4-pin design, USB 3.0 adopts a 9-pin design, and USB 3.0 has more functions. From the appearance color, the color of USB is white or black, while USB 3.0 is blue. USB 3.0 introduces full duplex data transmission. Out of the 5 lines, 2 are used to send data, the other 2 are used to receive data, and 1 is a ground wire. USB 3.0 can synchronize read and write operations at full speed. Previous USB versions did not support full duplex data transfer.