Rockey Dongle is the Software protection Key Usually Used by Chinese software developers. It is an old company. As LPT model, we can easily understand this. These Dongles generally do not use Drivers. This is a big advantage for users, because some times drivers know how to match our windows operating system.
The most popular Model is the Rockey4ND model. This model addresses millions of users worldwide. This software key is generally used by cheap software developers, but it is seen that it is sometimes used in high quality software.