Introduction
Thank you for choosing the COOLHOOD 15.6 inch Portable Monitor. This monitor is designed to enhance your productivity and entertainment experience with its Full HD 1920x1080 IPS display, 100% sRGB color gamut, and versatile connectivity options. Its slim and lightweight design makes it an ideal companion for work, gaming, and travel.

The COOLHOOD 15.6 inch Portable Monitor offers a vibrant Full HD display for various applications.
This manual provides essential information on how to set up, operate, maintain, and troubleshoot your monitor to ensure optimal performance and longevity.
Setup Guide
Package Contents
Before you begin, please verify that all items are present in the package:
- 1 x Portable Monitor
- 1 x Protective Case (Magnetic Smart Cover)
- 1 x USB-A to USB-C Cable
- 1 x USB-C to USB-C Cable
- 1 x Standard HDMI to Mini HDMI Cable
- 1 x 5V/3A Power Adapter
- 1 x User Manual

Verify all components are included in your package before proceeding with setup.
Connecting Your Monitor
The monitor supports both single-cable and dual-cable connections, depending on your device's capabilities.
Single Cable Connection (USB-C)
For devices with a full-featured USB-C port (supporting Thunderbolt 3.0/4.0 or USB 3.1 DisplayPort Alt Mode), a single USB-C to USB-C cable can transmit both video, audio, and power.
- Connect one end of the USB-C to USB-C cable to the monitor's full-featured USB-C port.
- Connect the other end to your device's full-featured USB-C port.
- The monitor should automatically power on and display your device's screen.
Dual Cable Connection (Mini HDMI + USB-C for Power)
For devices without a full-featured USB-C port, or if additional power is required, use the Mini HDMI and a separate USB-C power cable.
- Connect one end of the Standard HDMI to Mini HDMI cable to the monitor's Mini HDMI port.
- Connect the other end to your device's HDMI port.
- Connect the USB-A to USB-C cable (or USB-C to USB-C cable) to the monitor's power-only USB-C port and the other end to the provided 5V/3A power adapter or a powered USB-A/USB-C port on your device.
- Ensure the power adapter is plugged into a wall outlet.

Choose the appropriate connection method based on your source device's ports.
VESA Mounting
The monitor features 75x75mm VESA mounting holes on the back, allowing it to be easily attached to a compatible VESA mount or stand.
- Remove the protective case if attached.
- Align the VESA mounting holes on the monitor with your VESA mount.
- Secure the monitor using M4 screws (not included with the monitor, typically provided with the VESA mount).

The monitor supports VESA 75x75mm mounting for flexible placement.
Operating Instructions
Power On/Off
Press the power button located on the side of the monitor to turn it on or off. An indicator light will show the power status.
Menu Navigation
Use the scroll wheel on the side of the monitor to navigate the On-Screen Display (OSD) menu. Press the scroll wheel to select options and roll it to adjust values or move through menus.
Display Modes
When connected to a computer, you can configure the display mode:
- Duplicate Mode: Shows the same content on both your primary screen and the portable monitor.
- Extend Mode: Extends your desktop across both screens, allowing for more workspace.
- Vertical Mode: Rotate the monitor to a portrait orientation for specific tasks like coding or document viewing.

The monitor supports various display modes to suit your workflow.
Audio Output
The monitor features built-in dual speakers for audio output. You can also connect external headphones or speakers via the 3.5mm audio jack for a private listening experience.

Enjoy audio through the integrated speakers or connect external devices.
Saving Settings
To ensure your display settings are saved, always connect the monitor to the provided power adapter when making adjustments.
Maintenance
Cleaning the Screen
To clean the monitor screen, gently wipe it with a soft, lint-free cloth. For stubborn marks, slightly dampen the cloth with water or a screen-cleaning solution. Avoid using harsh chemicals, abrasive cleaners, or spraying liquid directly onto the screen.
Cleaning the Body
Wipe the monitor's body with a soft, dry cloth. Do not use liquid cleaners directly on the ports or openings.
Protective Case Care
The magnetic protective case is made of durable PU leather. To clean, wipe with a damp cloth and allow to air dry. Avoid prolonged exposure to direct sunlight or extreme temperatures.
Troubleshooting
If you encounter issues with your COOLHOOD portable monitor, please refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| No Signal / Black Screen |
|
| No Power |
|
| Image Flickering / Unstable Display |
|
| No Sound from Speakers |
|
| Settings Not Saving |
|
Specifications
| Feature | Detail |
|---|---|
| Brand | COOLHOOD |
| Model Number | 156DM1 |
| Screen Size | 15.6 Inches |
| Resolution | FHD 1080p (1920 x 1080) |
| Aspect Ratio | 16:9 |
| Panel Type | IPS |
| Screen Surface Description | Matte |
| Contrast Ratio | 2000:1 |
| Response Time | 2 milliseconds |
| Refresh Rate | 60 Hz |
| Special Features | Portable, Eye Protection, Built-in Speakers, VESA Mountable |
| Connectivity | USB Type-C (Full Function), Mini HDMI, 3.5mm Audio Jack |
| Compatible Devices | Laptop, PC, MacBook, Smartphone, Switch, PS5, Xbox |
| Weight | Approximately 1.32 lbs (0.6 kg) |
| Thickness | Approximately 0.4 inches (1 cm) |
Warranty Information
COOLHOOD provides a comprehensive warranty for this product. Your monitor is covered by a 24-month warranty from the date of purchase.


Enjoy peace of mind with a 24-month warranty, 30-day money-back guarantee, and 60-day free returns.
This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or external factors.
Customer Support
Should you encounter any problems during the use of your COOLHOOD portable monitor, our professional customer service team is available to provide support.

Our customer service team is available 24/7 to assist you.
Please contact us through the platform where you purchased the product, or refer to the contact information provided in the warranty card included with your monitor. Our team is committed to providing prompt and effective solutions to ensure your satisfaction.




