Kwumsy
【USA Only - Pre-owned】Kwumsy L3 Pro Laptop Screen Extender
【USA Only - Pre-owned】Kwumsy L3 Pro Laptop Screen Extender
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📦 Shipping: Contiguous US Only.
🛡️ Warranty: Backed by a 90-Day Limited Warranty.
📄 Please review the full Pre-Owned Product Policy before purchasing.
👉 Click here to view full policy details：https://kwumsy.com/pages/kwumsypre-owned-product-policy
🔥 SPECIAL OFFER – PRE-OWNED UNIT
Price: Only 169.99 USD)
This is a pre-owned, fully functional L3 Pro unit. It works perfectly and is being offered at a special clearance price.
What "Pre-Owned" Means:
| Item | Condition |
|---|---|
| Functionality | ✅ 100% working – fully tested |
| Cosmetic Condition | May show minor signs of use (scratches or wear) |
| Performance | ✅ Same as new – all screens display perfectly |
| Accessories | ✅ Complete – all cables and manual included |
Tested & Verified:
| Test Item | Status |
|---|---|
| Screen display | ✅ Passed |
| Touch function (10-point) | ✅ Passed |
| Built-in speakers | ✅ Passed |
| All ports (USB-C, HDMI) | ✅ Passed |
| Folding mechanism | ✅ Passed |
| Cable set | ✅ Passed |
10-Point Touch Monitor for Windows
2 Built-in Speakers – Touch Screen – Plug & Play
| Product Specs | Details |
|---|---|
| Screen Size | 15" |
| Touch Support | 10-Point Multi-Touch (Windows) |
| Built-in Speakers | 2 × Built-in |
| Setup | Plug & Play – No Driver Needed |
Touch Functionality (Image 09)
10-Point Multi-Touch for Windows
Touch Support by System:
| System | Touch Support |
|---|---|
| 🪟 Windows | ✅ 10-Point Multi-Touch |
| 🍎 macOS | ⚠️ 1-Point Touch (Basic) |
| 🎮 Switch | ❌ No touch function |
💡 Tips: For full touch experience, use with Windows. macOS supports single-point touch only.
One Cable or Two – You Choose
Option 1 – One Cable Connection
| Setup | Description |
|---|---|
| USB-C to USB-C | Power + Signal – one cable does it all |
| Full-Featured Type-C Required | For laptops with DP Alt Mode support |
Option 2 – Two Cables Connection
| Setup | Description |
|---|---|
| USB-C to USB-C | Power only |
| HDMI to USB-C | Signal only |
✅ M1 / M2 / M3 chip compatible – works with Apple Silicon.
Lightweight & Portable
| Item | Specs |
|---|---|
| Weight | Only 1.65 lbs (≈0.75kg) |
| Thickness | Slim – only 0.9" (≈23mm) when folded |
Easy to carry. Helps you work efficiently on the go.
2 Built-in Speakers
No need for external speakers – enjoy clear audio for meetings, videos, and presentations straight from the monitor.
Compatible With:
| Device Type | Support |
|---|---|
| 💻 Laptops | Windows / Mac |
| 🖥️ Desktop | With HDMI / USB-C output |
| 🍎 Apple Silicon | M1 / M2 / M3 – Fully compatible |
| 🎮 Gaming | Switch (display only, no touch) |
What's in the Box?
| Accessory | Quantity |
|---|---|
| L3 Pro Touch Monitor | × 1 |
| USB-C to USB-C Cable | × 1 |
| USB-A to USB-C Cable | × 1 |
| HDMI to USB-C Cable | × 1 |
| User Manual | × 1 |
⚠️ IMPORTANT – BEFORE YOU ORDER
Compatibility Confirmation – We Want to Get It Right!
To avoid any compatibility issues and save you the hassle of returns, we will confirm compatibility with your laptop before shipping.
Here's how it works:
1.Place your order – Select L3 Pro and proceed to checkout.
2.Leave a note – In the "Order Notes" / "Special Instructions" section, enter your:
-Laptop Brand (e.g., Dell, HP, Lenovo, Apple, etc.)
-Laptop Model (e.g., XPS 13, MacBook Pro 2021, ThinkPad T14)
-Operating System (Windows / macOS)
3.We'll check – Our team will verify compatibility.
4.Confirmation – If compatible, we ship immediately. If not, we'll reach out to discuss options or issue a refund.
💡 Why we do this: We want you to receive a product that works flawlessly. No guessing. No returns. Just plug and play.
⚠️ Touch Function Note: Full 10-point touch is only supported on Windows. macOS supports single-point touch only. Switch does not support touch.
100% Satisfaction Guaranteed
We stand behind our product. Love it or let us know – we'll make it right.
Technical Specifications
| Item | Specification |
|---|---|
| Screen Size | 15" |
| Touch Support | 10-Point Multi-Touch (Windows) |
| Built-in Speakers | 2 × Built-in |
| Weight | 1.65 lbs (≈0.75kg) |
| Folded Thickness | 0.9" (≈23mm) |
| Driver Required | No – Plug & Play |
| Compatible OS | Windows / macOS |
| Apple Chip Support | M1 / M2 / M3 |
| Touch Support by OS | Windows: 10-point / macOS: 1-point / Switch: None |
| Connection | USB-C (Full-featured) or USB-A + HDMI |
Ready to Touch Your Productivity?
Order L3 Pro Today – Just $69.99 While Supplies Last!
