Mouse Jiggler – 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.MJ-3: The MJ-3 is programmable, making it ideal for repetitive IT or gaming tasks. You can create customized scripts with programmed mouse movement, mouse clicks, and keystrokes. The smaller size of the MJ-3 keeps it out of the way and is unobtrusive when installed.