S999 18.5" Quad Portable Screen Multi-Display Monitor

multi screen laptop setup

S999 portable screen (primarily manufactured by brands like TUTT and FOPO) is an 18.5-inch Quad-Screen Laptop Monitor Extender. It adds three external displays to your laptop using a single-cable data connection paired with dedicated power

Key Specifications

• Screen Size: Three 18.5-inch expansion displays (creates 4 screens total with your laptop).
• Resolution: 1920 × 1080 Full HD (FHD) per screen.
• Panel Type: IPS with a 178° wide viewing angle and 100% sRGB color accuracy.
• Adjustability: 360° side screen rotation and 300° top screen rotation.
• Interface: Single USB-C data cable setup. 

Setup & Hardware Requirements

• Power Supply: Requires the included external Power Delivery (PD) power adapter connected directly to the monitor unit to handle all three displays simultaneously.
• OS Compatibility: Works with Windows 10/11 and macOS 2019 or later (including M1, M2, M3, and M4 MacBooks).
• Driver Needed: You will need to install a display driver on your operating system for full quad-display routing over the single cable.
• Exclusions: It is explicitly noted as incompatible with Microsoft Surface devices and Chromebooks. 

Watch this product demonstration to see how the multi-screen system unfolds and connects to a laptop: