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The Mobile Pixels Duex Max DS gives a laptop a portable 14.1-inch second screen, and reviewer Dennis Sellers found it useful for travel. The tradeoff is setup: depending on your laptop’s ports, you may need separate video and power cables. A single USB-C cable works only when the host USB-C port supports DisplayPort Alternate Mode.
What the Duex Max DS offers
Mobile Pixels lists the Duex Max DS as a 14.1-inch portable display. The related Duex Plus DS is smaller at 13.3 inches. Manufacturer specifications for the Max DS include a 1920 × 1080 LCD, 16:9 aspect ratio, adjustable brightness up to 300 nits, 60 Hz refresh rate and a weight of 1.8 lb. These are manufacturer-listed specifications, not independent measurements. Mobile Pixels’ Duex DS specifications
It has one USB-C port and one mini-HDMI port. The listed compatible systems include Windows, macOS, Linux, ChromeOS, Nintendo Switch and Android/Samsung DeX. The product manual shows connections for Switch and Android devices as well as laptops. Mobile Pixels’ compatibility information Duex Max DS manual
Check your laptop’s ports before choosing a connection
The number of cables depends on whether your laptop can send video over USB-C. A USB-C connector alone does not guarantee that capability: check the laptop’s specifications for DisplayPort Alternate Mode (DP Alt Mode) support.
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- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
| Host connection | Video path | Power path |
|---|---|---|
| USB-C with DisplayPort Alternate Mode | USB-C to USB-C | The same USB-C cable |
| HDMI available, but USB-C video unavailable | HDMI on the laptop to mini-HDMI on the display | Separate USB-C power cable |
| USB-A and HDMI available | HDMI to mini-HDMI | USB-A to USB-C, as shown in the manual |
Mobile Pixels lists a USB-C cable with a USB-A adapter and a mini-HDMI-to-HDMI cable in the box. The manual’s connection diagrams also show separate power when video comes from HDMI. Check the ports and capabilities of your specific computer, tablet or console before buying; the cable setup is not identical for every host. Mobile Pixels’ included-accessory and connection information Duex Max DS manual
Attach it to the laptop or set it beside the computer?
The included mounting approach uses four magnets and adhesive-backed plates. The plates attach to the back of the laptop; the display can then slide and rotate into position. The manual also illustrates portrait orientation and a presentation position. Because the plates use adhesive, consider where you want them on the laptop before attaching them. Duex Max DS manual
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
For a screen that sits beside rather than attaches to the laptop, Mobile Pixels names the Origami Kickstand as a separately purchasable accessory. Sellers describes a different option from his own use: setting the monitor beside the computer with its cover as a stand. Those are distinct setups; the cover-as-stand is his reported experience, not the manufacturer’s named kickstand. Mobile Pixels’ Origami Kickstand information Sellers’ review
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How it holds up as a travel screen
In a review published October 1, 2026, Dennis Sellers, editor and publisher of Apple World Today, said he used the monitor for several weeks. He described the picture as great, reported a responsive picture with a Nintendo Switch, and said setup took him less than a minute. He also said the cords were noticeable, but that the arrangement worked well for him. These are Sellers’ impressions, not independent test results or measurements. Sellers’ review
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- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Sellers said he would not use it as his main office setup, but would take it on the go. He also reported being able to pack it in a backpack with its cover. His verdict makes the practical tradeoff clear: a portable second display can be worthwhile when extra screen space matters away from a desk, but the cables and mounting arrangement are part of the setup rather than something to overlook.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
What to check before buying
- Confirm whether your laptop’s USB-C port supports DisplayPort Alternate Mode if you want video and power over one cable.
- If it does not, make sure you have an HDMI video output and a way to power the display separately.
- Decide whether you want the screen attached with magnetic plates or positioned beside the laptop.
- Verify the listing’s exact model and current price. Sellers reported US$299 as the usual price and US$229.49 as a limited-time offer on October 1, 2026; Root-Nation reported US$195.49 at its own review time. Those are historical prices, not current quotes. Sellers’ review Root-Nation’s review
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
