Features: 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 physics to automatically simulate the process of using a mouse 99% undetectable mouse movement device! Ultra-quiet, long-lasting durability, more stable and durable than other products on the marketing. brand new and high quality Easier to operate and save time-. Just put the mouse on its big dial- and press the ON/OFF switch, then it will work automatically. Package Includes: 1 PC x Mouse Mover Specifications: Operating Systems : for WindowsXP/7/8/10 Linux systems, etc. Size:approx 142x83.5x32mm/5.59x3.29x1.26in Material: ABS-Black Connector: USB-USB-C Cable Length:approx 51in note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.