Features: This mouse Jigglers automatically identifies itself as a normal wireless mouse, unknown USB device when connection to a computer. Your computer will stay awake while you take care of your business. The mouse mover not require a driver. Just plugs it into your computer and the cursors will automatically starts moving, but because movement is so small that you can hardly feel it, you can return to mouse operation at any time without exiting Jigglers modes. It simulates mouse movement and prevents the computer from going to sleep while you work or play. You can return to work at any time without any additional operation. The mouse mover supports most popular computer systems The small size design makes it easy o carry and use, suitable for meetings, gaming tasks, online courses, remote operations. Specifications: Component:ABS Length:Approx.2cm/0.78inch Package Includes: 1Pc Mouse Jigglers note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.