Rated 4.9/5 by hundreds of happy customers.

Kwumsy M4 15.6" Triple Laptop Screen Extender

$279.99
$369.99
  • The screen can be folded 0-330 degrees, making it more efficient to switch freely at multiple angles!

  • Dual 15.6-inch FHD screens, enjoy a visual feast with clear picture quality!

  • TYPE-C direct connection, plug and play, simple and convenient!

  • Lightweight and portable, only 3 pounds, build a mobile workstation anytime, anywhere!

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Kwumsy M4 15.6
Kwumsy M4 15.6
Kwumsy M4 15.6
Kwumsy M4 15.6
Kwumsy M4 15.6
Kwumsy M4 15.6
Kwumsy M4 15.6
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Kwumsy M4  Dual15.6'Folding Portable Monitor

The structure of the portable laptop monitor does not burden the device and saves space. The portable laptop monitor is compatible with multiple operating systems, such as B. Windows/Mac OS (supports M1/M2/M3 chips)/Chrome/Linux. It is also compatible with many devices such as laptops, desktops, mini computers, game consoles, and some smartphones (with a fully functional Type-C port and supports micro-computer mode).
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Two 15.6-inch 1080P FHD IPS screens

Two 15.6-inch 1080P FHD IPS screens provide 300 nits brightness and excellent display quality. The portable laptop monitor's screen can be rotated up to 330 degrees to provide a personal viewing angle. The portable laptop monitor has different display modes such as mirror/extend/big screen/share mode, giving you more flexibility in using the screen.

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Flexible use of multiple modes

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Plug and play, strong compatibility

If your laptop has a fully functional TYPE-C port (described as Thunderbolt 3.0/4.0, with DP/video output, supports display), you only need a C to C cable for plug and play. Or with HDMI+USB port, you need two cables to connect to the TYPE-C port of M4, and a C-to-C cable with adapter to operate the screen (Tip: USB driver needs to be installed, which is safe and reliable)
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Easy Setup 

Fllp Screen
To rotate the display 180°,pressfor three seconds,then pressagain forthreesecondsoreturn to the previous orientation.

Full Screen
To switch to the large screcnmode,gently press forone second.

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Dual screens for multiple uses,
easy to work and entertain

Whether you are a workplace expert or a creative player, the M4 portable display can easily meet your needs! At work, it is an efficient productivity tool that helps you expand screen space anytime and anywhere and improve office efficiency; for content creators, the dual 15.6-inch FHD screens bring accurate colors and delicate picture quality, making design and editing more handy. And in entertainment moments, the M4 can instantly become a gaming tool or a companion for audio and video enjoyment, presenting you with an immersive visual experience. From conference rooms to cafes, from business trips to home leisure, the M4 adapts to various scenarios and adds more possibilities to everyone's life!
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Two-way empowerment,worry-free battery life

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Specifications

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Frequently  Asked Questions

How I can know the TYPE-C interface of my laptop is full-featured or not since there is not any symbol on this interface?

Normally if the TYPE-C interface has the symbol like “DP”, or the interface is Thunderbolt 3 or Thunderbolt 4, it is full-featured. If not any symbols, please check the introduction of your laptop from user menu or from internet.

My laptop how do I connect to Kwumsy M4?

Please make sure your laptop support 2 video signals transfer so that to make the dual screens of S2 working well. It means your laptop will have 2 full featured Type-C(support video signal and power supply together) interfaces or 1 full featured Type-C & 1 HDMI +1 USB-A interfaces or 2 HDMI+2 USB-A interfaces.
HDMI and USB-C to USB-A cables need to be used at the same time.

My laptop works with the Kwumsy M4, but sometimes the screen flickers and disappears, what should I do?

The reason is the power from your laptop interface is not enough or stable for Kwumsy S2. In order to making it working well, please use an adapter (5V/2A or above) to supply the power from outside.

My laptop doesn't have HDMI or Type-C port, how to connect Kwumsy M4?

If your laptop doesn't have HDMI or Type-C interfaces to connect the screen, You can connect via HDMI and USB-A interfaces that are expanded with a HUB, docking station, or multi-port adapter.
2020 M1 and 2022 M2 Chip MacBook Users Notice
2020 M1 and 2022 M2 chip MacBook just can make one screen of S2 to work.