Rated 4.9/5 by hundreds of happy customers.

Kwumsy Z3 15.3" Přenosný rozšiřovač obrazovky notebooku pro čtyři obrazovky

$499.99
$659.99
  • Three independent 15.6″ screens work separately or merge into one 30″ ultrawide display with a single touch.

  • Each screen rotates 360°; switch between portrait and landscape modes in your OS for coding, reading, or entertainment.

  • Fully compatible with Mac (M1/M2/M3/M4), Windows, Linux, laptops, desktops, Mini PCs, tablets, and full-function Type-C phones.

  • Innovative 2-in-1 carry case & stand—fold for portability, unfold for instant desktop use. No extra assembly needed.

  • Turn off the bottom screen with one touch to save up to 30% energy. Side slider controls split/merge modes effortlessly.

Kwumsy Z3 15.3" Přenosný rozšiřovač obrazovky notebooku pro čtyři obrazovky
Kwumsy Z3 15.3" Přenosný rozšiřovač obrazovky notebooku pro čtyři obrazovky
Kwumsy Z3 15.3" Přenosný rozšiřovač obrazovky notebooku pro čtyři obrazovky
Kwumsy Z3 15.3" Přenosný rozšiřovač obrazovky notebooku pro čtyři obrazovky
Kwumsy Z3 15.3" Přenosný rozšiřovač obrazovky notebooku pro čtyři obrazovky
Kwumsy Z3 15.3" Přenosný rozšiřovač obrazovky notebooku pro čtyři obrazovky
Kwumsy Z3 15.3" Přenosný rozšiřovač obrazovky notebooku pro čtyři obrazovky
US: Shipped from US · No customs · Fast delivery
Global: Shipped from China · Full tracking
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⚠️ Important Notice – Drivers required & System Compatibility

Z4 Pro requires a dedicated display driver to function properly. This driver is compatible with the following operating systems only:

🪟 Windows 🍎 macOS

❌ Not compatible with Linux / Ubuntu / ChromeOS

Please ensure your computer runs Windows or macOS. The product will not work on unsupported systems.

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Say goodbye to inefficient tab-switching

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Important Setup Notes:
Requires Driver Installation & External Power

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From Folded to Productive: 
Complete Desk Setup Guide

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Note: The VESA mount and M4 screws are not included in the package and need to be purchased separately.

An innovative 2-in-1 design combining a carry case and a stand

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Unboxing: Here’s What You Get

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Frequently  Asked Questions

Q1: Compatibility: Which devices are supported?

🔌 Universal Compatibility, Seamless Connectivity
The Z4PRO is fully compatible with Mac (M1/M2/M3/M4), Windows, and Linux systems. It works with laptops, desktops, Mini PCs, tablets, and full-function Type-C smartphones. For older devices without modern ports, you can use the included USB-A + HDMI combo cable to power all three screens.

Q2: Is driver installation and external power required?

External Power: The included 65W power adapter must be connected. It also supports reverse charging to power your laptop.
Driver Installation: Use the included dual-port USB drive (Type-C and USB-A). Once inserted, an auto-launch folder will open containing:
1.Driver software
2.Stand & screen assembly guide
3.How to turn off the third screen
4.Driver installation tutorial
5.One-touch merged screen tutorial
6.Full-function Type-C connection guide
7.HDMI connection guide

Q3: How do I merge screens or turn off the bottom screen?

One-Touch Screen Merge: Once set up, locate the side control interface. Slide the menu switch upward for 2 seconds to merge three screens into one 30-inch canvas. Repeat to revert.
Turn Off Bottom Screen: Slide the same switch downward for 2 seconds to turn off the bottom screen. Slide down again to turn it back on.

Q4: Can I use the screens in portrait or landscape mode?

Yes, screen rotates 360° freely. You can adjust orientation in your computer’s display settings. Additionally, the built-in handle allows the screen unit to be folded 180° for flexible positioning.
Q5: Does it support VESA mounts?
Yes, each screen back is equipped with standard 75×75mm VESA mount holes (M4 screws compatible), allowing you to attach the unit to monitor arms or stands for a custom workstation setup.
Note: VESA mounts and M4 screws are not included and must be purchased separately.
Q6: Where do you ship from and how long does delivery take?
We ship from our U.S. warehouse where the product is in stock.
  • For U.S. orders: Your order will be shipped domestically within the U.S., with no additional customs fees or import charges. Delivery typically takes 3–5 business days under normal circumstances.
  • For international orders (outside the U.S.): Please contact our support team for shipping options, delivery estimates, and applicable fees:
📧 Email: service@kwumsy.com
💬 WhatsApp: +86 19820581284
We strive to provide a smooth and transparent delivery experience wherever you are.