
Knowledgeable’s Ranking
Execs
- Connected rotatable second display screen
- Folds to again of MacBook
Cons
- Cumbersome and heavy
- Area of interest use instances
Our Verdict
Should you don’t thoughts bulking up and weighing down your MacBook, and you’ve got an actual want for a foldable, moveable second display screen, the Twin Laptop computer Display Extender might be your answer. However most individuals would do higher with a separate exterior show.
MacBooks can rapidly and simply hook as much as exterior shows for higher desk-based display screen house. Whereas the plain M1/M2 MacBooks assist only one further display screen, the 16-inch MacBook Professional (M2 Max) helps as much as 4 displays.
By itself, the built-in 16-inch display screen is gigantic in comparison with that on the 13-inch MacBook Air, however moderately poky if you’re engaged on a posh spreadsheet or desirous to take pleasure in a big-budget streaming film in additional glory than in-flight leisure.
What the big built-in laptop computer display screen does provide, after all, is portability. You possibly can’t lug that 32-inch 4K Samsung show to your native espresso store or match it in your airplane-seat foldout tray. You should buy moveable exterior shows at as much as 17 inches—not a lot bigger than the laptop computer’s personal. The INNOCN Moveable Monitor 15.6-inch USB-C Laptop computer Monitor is likely one of the finest.
However the CopGain Twin Laptop computer Display Extender is one thing totally different—it’s a display screen that bodily attaches to your laptop computer, moderately than simply linking by USB cable. You possibly can then carry round your very personal dual-screen laptop computer in a single easy if moderately cumbersome bundle.
Operate over kind
The CopGain Twin Laptop computer Display Extenders isn’t a looker, however it’s fairly a head-turner. With this second display screen prolonged, I’ve had folks strolling me previous cease and gape with curiosity at my two-headed mutant MacBook. It takes some getting used to and Jony Ive would most likely assault it with a claw hammer, however it could be mistaken to say that this Frankenstein’s monster is ugly or doesn’t at the very least attempt to match the Apple aesthetic.

Foundry
The second display screen measures 12 inches diagonally for 13-inch and 14-inch MacBooks and 14 inches for the 16-inch MacBook mannequin. (I examined it with a 14-inch MacBook Professional.) Attaching the display screen isn’t troublesome however the directions might be so much clearer, as most individuals have little question skilled when establishing flat-pack furnishings. Principally, it attaches to the laptop computer with a bracket that may be firmly affixed to your MacBook with a detachable nano-adhesive.
The display screen is nowhere close to as sharp and clear because the MacBook’s personal—out there resolutions vary from 960×540 to 1920×1080 at 60Hz. Whereas the upper decision gives a whole lot of digital display screen house, at 12 inches it’s troublesome to make out a lot. The decrease decision means you’ll be able to see particulars so much clearer. Working with a posh Excel sheet on the second display screen was an actual assist throughout video calls, or you can set it to play a film whilst you work on one thing on the laptop computer’s display screen. Nevertheless, you wouldn’t wish to work solely on the second display screen or edit in Photoshop on it.
the display screen could be folded again into its particular case and guarded with one in every of two included magnetic covers—a metallic cowl that matches the MacBook’s personal coloring, and a grey fake leather-based cowl. This makes it simple to hold, though it’s no exaggeration to say that it considerably bulks up the in any other case slim MacBook at over half an inch and 1.87 kilos (850g). The peak of the MacBook greater than doubles from 0.61 inches (1.55cm) to 1.38 inches (3.5cm), and weight will increase massively from 3.5 kilos (1.6kg) to five.4 kilos (2.4kg). That’s the identical heft as the unique PowerBook G4 in 2001.

Foundry
As with an exterior show, you’ll be able to management the brightness, distinction, sharpness, hue, dynamic distinction ratio, coloration temperature, and different elements by way of a small onscreen panel. How you can use these capabilities is just not apparent—you’ll must work it out your self by tapping and double-tapping the small scroll wheel on the display screen mount.
The display screen rotates about 200 levels (lower than the 270 levels that the producer claims), and can work even when folded again, which means you can work on the MacBook’s personal display screen whereas displaying the second display screen on the again of the laptop computer—preferrred if you wish to showcase what you’re doing to somebody (in mirrored mode) or let your child watch a film whilst you work (in prolonged mode).
Like an exterior show, you’ll be able to set the second display screen to both mirror your laptop computer’s display screen or lengthen it for further actual property. For instance, in Slide Present mode displays could be cut up throughout the 2 screens—one displaying the full-screen slides and the opposite for the presenter with the following slide and notes. Simply click on Swap Shows in PowerPoint, relying on the way you need it. This mode works finest if you’re presenting to folks in entrance of your Mac, with the display screen folded again to face them.

Foundry
Must you purchase a CopGain Twin Laptop computer Display Extender?
The CopGain Twin Laptop computer Display Extender ranges from $299 to $339 relying on the scale of the MacBook it will likely be hooked up to. That’s costly for a second display screen—particularly one this small—however you’re paying for portability and comfort moderately than display screen acreage.
It’s not a desktop answer. This dual-screen MacBook answer is ideal for small-group displays and different particular on-the-move and in-meeting display screen house extension wants. In order for you a everlasting bigger display screen at dwelling or within the workplace, merely purchase a much bigger exterior show.

Foundry
However in the event you don’t thoughts bulking up and weighing down your MacBook, and have an actual want for a foldable, moveable second display screen or wish to share one laptop computer with two folks on the similar time, the Twin Laptop computer Display Extender might be your answer. It matches nicely and doesn’t shame the MacBook’s appears to be like. However in the event you simply want occasional further display screen house, we suggest a bigger moveable display screen or a extra everlasting commonplace exterior show.