No matter the size of your laptop's display, adding a second monitor can make for a more convenient and productive experience. It's a simple matter to connect ... a USB, HDMI, or VGA cable.
There are multiple monitor ports available, such as VGA, DVI, HDMI, USB C ... It has one USB cable that will connect to your computer and then you can connect all three Monitors to the available ...
Thankfully, if you have a laptop or desktop computer ... to have either a VGA or HDMI cable to connect the devices. You'll need an additional adapter if your laptop lacks a monitor port.