Nowadays, USB is widely used in information communication products, such as personal computers and mobile devices, and expanded to different connection fields, such as devices, digital TVs, and game consoles. Just like a car needs a dust cover, we need to use something to protect the complicated USB interface. Thus, the USB dust cover was born. It is a product specially designed to protect the USB interface from dust. USB is a precision device, and the USB dust cover protects it from external factors. And the USB dust cover is an important tool to ensure the normal operation of the USB. In addition, what are the advantages of the USB dust cover? Here are some introductions.