No specific info about version 4.0. Please visit the main page of Rapoo Mouse and Keyboard Pair on Software Informer.
Make the most out of your Microsoft keyboard and mouse.
Use an on-screen keyboard on touch screens with customizable interface.
Automate a list of mouse clicks and keyboard actions.
In creating your own music within no time.
It is a program that you can use to lock your keyboard and mouse.
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