Description: Driver free and plug-and-play. The mouse wobble can be powered by an external adapter or by the USB port of a PC, laptop, hub, docking station, etc. Mouse pads work with both wireless and wired mice, almost all optical mice. Mouse shaker uses pure physics to automatically simulate the process of using a mouse 99% undetectable mouse movement device! Super quiet, long lasting durability.After a long time of repeated testing and customer trials-, here comes the new version of the mouse mover, which is more stable and durable than other products on the marketing. With a built-in silent motor, our computer mouse shaker emits- less than 20 decibels of subtle sound when running. brand new and high quality Easier to operate and save time. Just simply put the mouse on its big dial and press the ON/OFF switch, then it will work automatically. Size Chart: 127mmx30mmx90mm Package Includes: 1 Piece Mouse Mover 1 Piece USB Adapter Note: Please allow slightly errors due to manual measurement and different monitors.