The mouse trembler prevents your computer from entering a sleep A mouse shiftercan help you better browse websites, play games, and participate in online meetings, perfectly avoiding being detected by IT departments. The Quiet mouse thrower, which cannot be detected, is extremely quiet during operation. The "plugandplay" mouse jig is very convenient e. You only need to the mouse mover to power supply e it, without installing a driver. Open the mouse mover, place the optical mouse on theturntable, and the mouse jig will physical motion, so that your computer will alwaysbe active. Item:USB Mouse Jiggler Colour:black Material:ABS Package Contents: 1x Mouse Mover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.