1 portable vacuum cleaner, 2self chaarging,4, robotic working Automatic Intelligent Robotic Vacuum Cleaner1 portable vacuum cleaner, 2self chaarging,4, robotic working What it is?Robotic Intelligent Automatic Vacuum Cleaner is a ... 't. How it works?With a touch of button, this robotic vacuum cleaner goes under beds and other places where upright vacuums can ...