1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your KYY X90D 15.6" FHD IPS Portable Triple Monitor. Please read this guide thoroughly before use to ensure optimal performance and longevity of your device.

2. What's in the Box
Verify that all items are present in the package:
- 1 x 15.6in Portable Dual Monitor
- 1 x USB Disk (with Display Driver)
- 1 x USB-C to USB-C Cable
- 1 x USB-C to USB-A Converter Head
- 1 x USB-C to USB-A Cable

3. Setup
3.1 Driver Installation
The KYY X90D requires a driver installation for full functionality across various operating systems. The necessary drivers are provided on the included USB Disk.
For Windows Devices:
- Insert the included USB Disk into your Windows device.
- Locate and click the driver executable to begin the installation process. Follow the on-screen prompts to complete the installation.
For macOS Devices:
- Check your macOS system information to determine your macOS version.
- Insert the included USB Disk into your MacBook.
- Locate the macOS folder and drag the 'macOS InstantView' application to your Applications folder.
- Run the application and allow screen recording permissions in Privacy & Security settings if prompted. This is necessary for the DisplayLink driver to function correctly.
For Android Devices:
Ensure your Android phone supports Type-C 3.0 output. If your Android phone does not support 5V/3A power supply, an external power source is required.

3.2 Physical Connection
The KYY X90D features an upgraded one-cable connection for simplicity. Connect the monitor to your laptop using the appropriate cable:
- Single USB-C to USB-C Cable: For laptops with a full-function USB-C port (supporting video output and power delivery).
- USB-C to USB-A Cable with Converter Head: If your laptop does not have a full-function USB-C port, use the USB-A converter head. Ensure your USB-A port supports video output.



4. Operating the Monitor
4.1 Display Modes
Once connected and drivers are installed, configure your display settings:
- Extended Display: Each screen acts as an independent workspace, expanding your desktop.
- Mirror Display: Duplicates your main laptop screen onto the external monitors.
- Single Screen Mode: Uses only one of the external monitors.

4.2 Screen Rotation and Kickstand
Each screen supports 0° to 360° rotation, allowing for flexible viewing angles and multi-directional screen sharing. The built-in adjustable stand can be set up to 90° for stable support.


4.3 On-Screen Display (OSD) Settings
Each screen is equipped with a user-friendly menu control wheel for individual settings adjustments. Access the OSD menu to customize brightness, color, contrast, and sharpness.
- Power On/Off: Press the power button to turn the screen on or off.
- Menu Button: Access the OSD menu.
- "-" and "+" Buttons: Navigate menu options and adjust values.
5. Display Quality
The KYY X90D features two 15.6-inch FHD 1080P IPS screens, offering a high-quality visual experience.
- Resolution: 1920 x 1080 Pixels (FHD 1080p)
- Panel Type: IPS (In-Plane Switching)
- Display Color: 16.7 Million
- Image Brightness: 300 Candela (nits)
- Contrast Ratio: 1200:1
- Refresh Rate: 60Hz
- Viewing Angle: 178° Superwide
- Features: Low Blue Light, Matte Screen Surface Description

6. Power Supply
Each screen requires 5 Volts and 2 Amperes (5V/2A) to operate correctly. While many modern laptops can supply sufficient power through a full-function USB-C port, older devices or those with underpowered ports may require additional power.
- Use the included USB-C to USB-A cable and power adapter to provide external power if needed.
- A power bank can also be used as an alternative power source.
7. Portability
Designed for travel and mobile productivity, the KYY X90D features a slim, lightweight, and durable alloy exterior.
- Product Dimensions: 9 x 15.35 x 1.18 inches
- Item Weight: 7.7 pounds
- Design: Ultra-thin alloy chassis with a built-in handle for easy transport.

8. Compatibility
The KYY X90D is designed for wide compatibility:
- Operating Systems: Windows, macOS, Chrome OS, Android, and Linux systems.
- Laptop Size: Suitable for 12-inch to 17-inch laptops.

9. Troubleshooting
If you encounter issues, consider the following:
- Driver Installation: Ensure the correct drivers are installed for your operating system. Refer to Section 3.1.
- Full-Function USB-C Port: Verify your laptop's USB-C port supports video output. If not, use the provided USB-A converter and ensure the USB-A port supports video output.
- Power Supply: If screens flicker or drop out, your laptop's port may not provide enough power. Use the included power adapter or a power bank.
- No Display: Confirm all cables are securely connected. Try restarting your laptop.

10. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 9 x 15.35 x 1.18 inches |
| Item Weight | 7.7 pounds |
| Screen Size | 15.6 Inches |
| Resolution | 1920 x 1080 Pixels (FHD 1080p) |
| Aspect Ratio | 16:9 |
| Image Brightness | 300 Candela |
| Total USB Ports | 2 |
| Screen Surface Description | Matte |
| Voltage | 5 Volts |
| Item Model Number | X90D |
11. Warranty and Support
For any technical problems or customer support inquiries, please contact KYY customer service. Refer to the contact information provided in your product packaging or user guide.
This product is covered by a standard return policy of 30 days for refund/replacement. Protection plans are also available for extended coverage.


