KEEPS COMPUTER ACTIVE: Prevents your computer from going to sleep by randomly moving your optical mouse. Mouse Mover, Mouse Jiggler. Must have companion for students, professionals and gamers. Prevents "Away" status on Lync, Zoom, Skype, WebEx etc. EASY TO USE: Plug into a 5V wall charger or USB port, place your mouse on it. Done! ON/OFF switch with LED indicator light to easily turn OFF when not in use. Large surface to accommodate standard mouse size. Cradle for mouse that prevents it from accidentally falling off. UNDETECTABLE: NO Software to install! No settings to mess with. Undetectable by your IT. MADE IN TEXAS with US and imported parts.