A Laptop Monitor: Duex Plus 13.3" Full HD IPS Dual Laptop Monitor If you need extra screen space while your on the go, the Duex Plus 13.3" Full HD IPS Dual Laptop Monitor ($270, originally $329) is a portable laptop screen extender and monitor that is compatible with Windows, Mac, Android, and Switch. It can be used in both landscape and portrait orientations as well as on both the left or right side. Image Source: amazon.com Duex Plus 13.3" Full HD IPS Dual Laptop Monitor $270 from amazon.com Buy Now