feature The perfect companion for those who work from home, this mouse shaker simulates mouse movement and prevents your computer from going to sleep while you work or play. The mouse mover requires no drivers, just plug it into your computer and the cursor will start moving automatically. No annoying software installation, simple and easy to use. No software/drivers need to be installed. After plugging into the computer, long press the power button to turn on the device, and then short press to adjust the mode. It still works fine even without a mouse. Highly Compatible: This mouse shaker can work with Win7/8/10/for Mac. The most widely used systems are supported. Steps for usage 1. Plug into the computer 2. Long press the power button of the device 3. Short press to switch key mode (a total of three modes) Specification Colour: Black Material: PP+ metal Package Contents: 1 x mouse shaker Only the above package contents are included, other products are not included. Note: Reflection of light and different monitors may cause the item color in the picture to be slightly different from the real one. Measurements allow +/- 1-3 cm.or is +/- 1-3cm.