1.[MINI SIZE, HIDDEN DESIGN] -- This mouse jiggler has a very small size same as a wireless mouse USB receiver, and has great concealment so your boss will never discover the secret of this product. 2.[RECOGNIZED AS A TRUSTED DEVICE] -- The mouse jiggler is recognized as a "USB Composite Device" when you first plug it into the computer, so don't worry about it endangering your data security. 3.[JIGGLE SLIGHTLY, ALMOST INVISIBLE] -- This mouse shaker works automatically as long as it is plugged into the computer. It moves the mouse pointer in a tiny range (not even affect normal work). If you don't pay attention to the screen, you won't notice the movement of the pointer. 4.[DRIVE-FREE, PLUG AND PLAY] -- No need to install any software/driver, it is designed drive-. It will work directly after plugging it into the computer. Compatible with your original mouse, it will not even affect the normal use of the mouse.