When choosing a 15.6-inch portable monitor for design work, consider the following factors:

Resolution: Opt for at least a Full HD (1920×1080) resolution for clear and detailed visuals. Higher resolutions like 4K (3840×2160) are better if your budget allows.

Color Accuracy: Look for monitors with high color accuracy, covering a wide color gamut (sRGB, Adobe RGB, or DCI-P3). An IPS panel is preferable for better color reproduction and viewing angles.

Brightness and Contrast: Higher brightness (300 nits or more) and good contrast ratios are essential for working in various lighting conditions.

Portability: Ensure the monitor is lightweight and thin for easy transportation. Check if it comes with a protective case or cover.

Connectivity: Look for multiple connectivity options such as USB-C (preferably with power delivery), HDMI, and DisplayPort to ensure compatibility with your devices.

Build Quality: A sturdy build with a good stand or adjustable kickstand will improve usability and durability.

Additional Features: Features like touchscreen capability, built-in speakers