Features: Driver-free and plug-and-play. The mouse wobbler can be powered by an external adapter or via 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 market. Brand new and high quality Easier to use and save time-. Just place the mouse on the large wheel - and press the ON/OFF button and it will work automatically. Specifications: Operating System: for WindowsXP/7/8/10 Linux system, etc. Size: approx. 142x83.5x32mm/5.59x3.29x1.26in Material: ABS-black Connector: USB-USB-C Cable length: approx. 51 inches Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Allow 0-2 mm error due to manual measurement.