Often think about what kind of U disk is more eye-catching and interesting, so that we can better cherish it. U disk, as an important information carrier in our daily life, is often ignored by us after use, but people's communication with mobile phone messages is uninterrupted. Therefore, we use the form of "chat box" to design this U disk. When we use U disk, we will jump out of Hello interaction and tell you that information is being transmitted......