A 13.3-inch portable second screen that attaches to the back of a 13 to 14 inch laptop and slides out when you need more room.
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The Duex Plus DS is Mobile Pixels' laptop-mounted second display for smaller machines. It attaches to the lid of a 13 to 14 inch laptop and slides out sideways, giving a second working surface without carrying a separate monitor and stand. It connects over a single USB-C cable on supported laptops, and the panel can be rotated for portrait use or flipped to face someone sitting opposite you.
A second visible work area is one of the few physical changes that reduces constant window switching. HOS included this model because it is the size that matches the most common small-laptop setup.
People working on a 13 to 14 inch laptop who keep losing time switching between windows, and who work in more than one location.
It does not add processing power, colour-critical accuracy, or desk ergonomics on its own. It also adds weight to the laptop lid, which some people dislike.
HOS selected this product based on its stated features, practical relevance, availability, and fit with this category. This is not a hands-on review unless explicitly labeled as one.
Product details verified 2026-08-05.
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