Introduction
The KYY Triple Portable Monitor (Model X90A-G) is a 14-inch FHD 1080P USB-C laptop screen extender designed to enhance productivity by providing a dual or triple screen setup. Featuring HDR IPS computer display technology, it offers a wide and clear viewing experience. This portable extender is compatible with 12"-16" laptops running Mac, Windows, and Android operating systems.
Key features include a single-cable plug-and-play solution for multi-screen synchronization and differential display, allowing for efficient multitasking. The monitor boasts a 0-210° multi-angle foldable design for each screen and a built-in kickstand with up to 90° adjustment for various viewing angles. It supports extended, mirror, portrait, and single 2nd screen modes to suit diverse user needs. The 14" FHD 1080P IPS screen provides 1920x1080 resolution, 300 Nits brightness, and blue light protection for eye comfort during prolonged use.
What's in the Box
- 1 x 14in portable dual monitor
- 1 x usb disk
- 1 x usb-c to usb-a converter head
- 1 x usb-c to usb-a cable
- Manual
Setup and Connection
The KYY Triple Portable Monitor is designed for easy setup to expand your workspace.

Figure 1: KYY Triple Portable Monitor in a typical setup.
Compatibility
- Applicable for 12"-16" laptops.
- Compatible with Windows, macOS, and Android systems (driver may be needed).
Connection Methods
The monitor supports single-cable connection for video and power, simplifying your setup.

Figure 2: USB-C and USB-A connection options.
- USB-C to USB-C: For laptops with a full-function USB-C port, a single USB-C to USB-C cable can transmit both video and power.
- USB-C to USB-A (with adapter): For laptops with a USB-A port supporting video output, use the provided USB-C to USB-A cable and converter head. External power may be required if the USB-A port does not provide sufficient power.
Driver Installation
For macOS and Android systems, a driver may be required. A USB disk with the necessary drivers is included in the box. Alternatively, drivers can be downloaded from the manufacturer's website.
Video 1: How to set up your Mac with KYY X90A dual monitor. This video demonstrates the driver installation process for macOS devices.
Video 2: How to set up your Windows with KYY X90A dual monitor. This video guides users through the Windows setup process.
Display Settings
After connecting, configure your display settings for optimal use.
Video 3: How to Connect X90A Triple Monitor with Mac, Wins & Android. This video provides a comprehensive guide on connecting the monitor to various operating systems.
Operating Modes
The KYY Triple Portable Monitor offers several operating modes to enhance your workflow.

Figure 3: Multiple display modes for different scenarios.
- Extended Mode: Extends your laptop display across all three screens, providing maximum screen real estate for multitasking.
- Mirror Mode: Duplicates your laptop's main display onto the portable screens, ideal for presentations or sharing content.
- Portrait Mode: Allows the portable screens to be rotated vertically, useful for viewing documents, code, or long web pages.
- Presentation Mode: Fold the two side screens inwards to create a shared viewing experience for meetings.
- Single 2nd Screen Mode: Utilizes only one of the portable screens as an extended or mirrored display.
Video 4: KYY Triple Portable Monitor for Laptop 14'' FHD Dual Monitor. This video provides a general overview of the monitor's features and usage scenarios.
Maintenance
To ensure the longevity and optimal performance of your KYY Triple Portable Monitor, please follow these maintenance guidelines:
- Always handle the monitor with care to avoid physical damage.
- Clean the screen with a soft, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Avoid exposing the monitor to extreme temperatures or direct sunlight for prolonged periods.
- Store the monitor in a dry, cool place when not in use.
Troubleshooting
If you encounter any issues with your KYY Triple Portable Monitor, please refer to the following common troubleshooting tips:
- No Signal: Ensure all cables are securely connected to both the monitor and your laptop. Verify that your laptop's USB-C or USB-A port supports video output. Try restarting your laptop.
- Flickering Screen: Check cable connections. Ensure sufficient power supply, especially if using a USB-A port (an external power adapter might be needed). Update display drivers if necessary.
- Display Not Recognized: Confirm that the correct drivers are installed for your operating system (macOS/Android). Check your laptop's display settings to ensure the external monitors are detected and configured correctly (extended/mirror mode).
- Power Issues: If the monitor is not powering on, ensure it is receiving adequate power. If using a USB-A connection, try connecting an external power adapter to the monitor's power supply port.
Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 13.9 x 8.19 x 1.18 inches |
| Item Weight | 7.02 pounds |
| Manufacturer | KYY |
| Item model number | X90A |
| Standing screen display size | 14 Inches |
| Aspect Ratio | 16:9 |
| Voltage | 5 Volts |
| Resolution | 1920 x 1080 Pixels |
| Image brightness | 300 Candela |
| Total Usb Ports | 1 |
| Screen Surface Description | Matte |
Warranty and Support
The KYY Triple Portable Monitor comes with a standard manufacturer's warranty. For specific warranty details, please refer to the product documentation or contact customer support.
If you have any questions or require technical assistance with your portable monitor, please feel free to contact us via Amazon message. We are committed to providing excellent customer support.




