<SMISEACOW>Kwumsy Z4PRO 15.6" Quad-Screen Laptop Screen Extender

Unleash a New Vision of Mobile Productivity. Kwumsy Z4PRO.

Closed, it‘s your carry‑on. Open, it’s your universe.

The Z4PRO is the world‘s first suitcase‑style triple‑screen workstation. It combines a carrying case and a stand into one design. Three 15.6″ IPS screens with micro‑bezels form a 30″ ultra‑wide visual universe. When folded, it’s as thin as a 15.6″ laptop. When opened, it instantly becomes your flagship mobile workstation.

【Important – Please Read】

📌 Hard requirements
The Z4PRO must be used with an external power supply and the driver installed to function properly. All drivers and installation tutorials are on the included USB flash drive.

📏 Compatibility

• Fits all full‑size laptops – no thickness or width restrictions
• Supports Windows / macOS (M1–M5 chips) / Linux
• Also supports older laptops via USB‑A + HDMI
• Works with smartphones – phone turns into a computer host

❗ Ports
Full‑featured TYPE‑C, TYPE‑C (PD charging), and MINI HDMI. The full‑featured TYPE‑C port supports DP and USB signals for fast and stable data transfer.

「Suitcase Design – Pack Up and Go」

The Z4PRO combines a protective case and a stand. Closed, it‘s a portable case. Open, it’s a sturdy workstation.

1. World‘s First Suitcase‑Style Triple‑Screen Workstation

• Folded thickness only 40.8mm – fits easily in a bag
• Built‑in silicone padding + self‑locking mechanism – protects the screens during travel
• Hand‑carry friendly – no extra packaging needed
• Case‑to‑stand design – the case becomes the stand

2. 360° Rotation + 180° Flip – Any Angle You Want

• Multi‑hinge + magnetic structure – each screen rotates 360° and flips 180°
• Landscape / portrait / any angle – adaptable to any task
• Removable screens – VESA standard (75×75mm, M4) for desktop arm mounting

3. One‑Touch Ultra‑Wide – 15.6″ → 30″

• One button – merge three screens into a seamless 30″ ultra‑wide display
• Resolution boost – 1920×1080 → 2160×1280 (one‑touch mode)
• Desktop‑workstation field of view – see more Excel columns, longer code lines, wider timelines → corrected to: Desktop‑workstation field of view

4. One‑Button Bottom Screen Off – Save 30% Power

• Independent bottom screen power‑off – reduces energy consumption by 30%
• Focus mode – place the product behind your laptop screen to simplify visual clutter and concentrate on core work

5. Powerful Charging – 100W Reverse Fast Charging

• When connected to PD power – supports 100W reverse fast charging to your PC
• 65W PD fast charger included – also supports 35W fast charging to other devices

6. Full Ports, Strong Compatibility

• Full‑featured TYPE‑C ×1 – DP signal + USB signal input
• TYPE‑C (PD charging) ×1 – for external power
• MINI HDMI ×1 – for older devices
• Just 2 cables to drive 3 screens – eliminates cable clutter

7. Stunning Visual Quality

• Three 15.6″ IPS panels – micro‑bezel design
• Resolution – 1920×1080 60Hz FHD (ultra‑wide mode: 2160×1280 60Hz)
• Brightness – 300 cd/㎡
• Color gamut – NTSC 65%, supports 16.7M colors
• Dual speakers – great for entertainment

8. Aerospace‑Grade Aluminum Build

• CNC machined aluminum alloy – stand cover made of aerospace‑grade aluminum
• Matte finish – resists fingerprints and scratches

【Specifications】

【What‘s in the Box】

• Z4PRO suitcase‑style triple‑screen workstation ×1
• USB‑C to USB‑C (1.2m full‑featured) ×2
• USB‑A to TYPE‑C (1.2m) ×1
• HDMI to MINI HDMI (1.5m) ×1
• PD 65W power adapter ×1
• USB flash drive (driver + installation tutorial) ×1

Unlock a new vision of mobile productivity.

The Z4PRO is more than a triple‑screen extender – it‘s your flagship mobile workstation. Whether you‘re in finance, coding, design, or business travel, the Z4PRO gives you desktop‑class efficiency and an expansive field of view wherever you go