A mouse jiggler is a motion simulator device for a computer mouse. It works by nudging the computer mouse cursor into action to prevent the computer screensaver from activating. Mouse jigglers are also known as mouse movers. Mechanical mouse jigglers are small devices onto which a user places their computer mouse.

What does a Mouse Jiggler do?

The hardware-based Mouse Jiggler prevents your computer from going to sleep while you work or play. This plug-and-use USB device comes in three versions and creates constant mouse activity so your computer won't go idle and trigger screen savers or sleep mode—eliminating the need to log in repeatedly.

Can a Mouse Jiggler be detected?

No it shouldn't be detected by an employer monitoring system, the computer just sees it as a pointer device(mouse). It didn't ask for any software when I installed it, windows drivers worked.