<SMISEACOW>Kwumsy M4 15.6" Triple Screen Laptop Screen Extender

Stack Up. Not Out. 15.6" × 2 Portable Monitor | Foldable & Stackable | No Driver, Plug & Play The SMISEACOW M4 is a dual portable monitor built differently: two 15.6-inch displays stacked vertically, so your view expands downward, not sideways. Your eyes stay level. Your neck stays relaxed. VESA mount ready (stand sold separately) to free up your desk. No driver needed – just two cables and you're ready to go. ① 15.6" × 2 – Stacked vertically, saves desk width ② No driver needed – two cables, plug & play ③ 100% sRGB, E<2 accuracy, 330Nits brightness ④ VESA 75×75mm mount compatible (stand not included) – free up your desk ⑤ Aluminum alloy, 0.19" thin, 2.95 lbs, 330° foldable ⑥ Portrait/Landscape + multiple display modes 2026 Upgrade – Say Goodbye to the Hassle. 2026 Upgrade M4 Others No driver, plug & play Driver required, complicated setup Only 2 cables 4 different cables needed Ergonomic, eyes level with screen Screen below eye level, neck strain Better compatibility Limited compatibility True Color, Crisp Details. Spec Detail Screen Size 15.6" × 2 Resolution 1080P FHD Panel Type IPS Color Gamut 100% sRGB Color Accuracy E < 2 Display Colors 16.7M (8-bit) Contrast Ratio 1000:1 Brightness 330 Nits Refresh Rate 60Hz Low Blue Light Supported 15.6" × 2 – Bigger Than 14". Two 15.6-inch screens offer more display area than 13.3" or 14" monitors. See more, scroll less, and get more done. Stacked Design, Neck-Friendly. No desk width wasted. Two screens arranged vertically – your eyes stay level, your neck stays relaxed. Perfect for long work sessions, coding, and reading. VESA 75×75mm Mount Compatible. M4 supports VESA 75×75mm standard. Pair it with a stand for a stable stacked setup that frees up even more desk space. ⚠️ VESA stand is NOT included in the package. Sold separately. Three connection options. One fits your device. Option Cables For Dual Full-Featured Type-C USB-C to USB‑C × 2 Laptops with DP‑supported Type‑C Type‑C + HDMI USB-C to USB‑C × 1 + HDMI × 1 One full‑featured Type‑C + one HDMI USB‑A + HDMI (No Type-C) USB-A to USB-C × 1 + HDMI × 1 + H5‑T Adapter Older laptops without Type-C ⚠️ H5‑T adapter cable is sold separately and not included in the package. Portrait Mode – See More, Scroll Less. Rotate both screens to portrait orientation. See more lines of code, fewer page turns while reading, and more content while editing. Multiple Display Modes – Switch Freely. Extended Mode, Clone Mode, Flip Mode, Link Mode. Whether for work, presentations, or creation – there's always the right display mode. Aluminum Alloy Body – Travel Without Extra Weight. Item Spec Thickness 0.19" (≈4.8mm) Weight 2.95 lbs (≈1.34kg) Material Aluminum Alloy Fold Angle 330° Pack light. Work heavy. Sturdy aluminum body with 330° foldable design – easy to store and carry. One Monitor, All Scenarios. Scenario Benefit 💻 Coding Portrait mode – more lines, fewer scrolls 📊 Data Analysis Dual screens for easy comparison 📖 Reading / Docs Vertical layout for natural reading 🎨 Drawing / Creative True color, crisp details 💼 Presentations Multiple modes for flexible switching 🏠 Remote Work Lightweight, set up anywhere 👥 Team Collaboration Share ideas effortlessly What's in the Box: M4 Dual Portable Monitor × 1 USB-C to USB-C Cable × 2 USB-A to USB-C Cable × 1 HDMI to USB-C Cable × 1 Power Adapter × 1 User Manual × 1 ⚠️ VESA stand and H5‑T adapter cable are NOT included. Sold separately.