This Mouse Mover with Mode switch button and ON/OFF Buttons. This mouse mover does not need to install any software/programs. The mini mouse mover has three modes: slight dithering mode; Random cell jitter mode; Random large range dithering mode. This mini mouse shaker is very light and portable. This mouse shaker has on/off/mode button. "Long press" turns on, the indicator light is on, the default mode is light dithering mode 1, "short press" switches the mouse movement mode 1/2/3, and "long press" turns off the indicator light, indicating that the mouse dithering is off. This product has memory function. The next boot will continue the track of the last boot. size:22 x 16 x 7mm Material: Aluminum alloy colour: Black Package Contents: 1 x Mouse Jiggler 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.