1. Introduction
This manual provides comprehensive instructions for the UPERFECT 13.4-inch 4K Portable Monitor, Model U26. It covers essential information regarding product features, setup procedures, operational guidelines, maintenance, and troubleshooting to ensure optimal performance and longevity of your device. Please read this manual thoroughly before using the monitor.

Figure 1: UPERFECT 13.4-inch 4K Portable Monitor
2. Package Contents
Verify that all items listed below are present in your product packaging:
- 1 x UPERFECT 13.4" 4K Portable Monitor
- 1 x Mini HDMI Cable (4K compatible)
- 2 x Type-C to Type-C Cables
- 2 x M4*4mm VESA Screws
- 1 x PD 18W Power Charger
3. Product Overview
The UPERFECT 13.4-inch 4K Portable Monitor is designed for versatility and high-quality visual output. It features a 3840x2400 4K UHD resolution with a 16:10 aspect ratio, providing sharp details and increased vertical workspace. The matte IPS display offers 500 nits brightness and 100% sRGB color gamut for accurate color reproduction and reduced glare. Its ultra-slim, all-metal frame ensures durability and portability.

Figure 2: Ultra-light aluminum design of the monitor.
3.1 Ports and Controls
The monitor is equipped with multiple ports for broad compatibility and ease of use:
- Dual USB-C Ports: For power delivery, video signal transmission, and data transfer with compatible devices.
- Mini HDMI Port: For video input from various devices.
- OTG Port: For connecting USB peripherals.
- Up+/Menu/Down Power Button: Multi-functional button for navigation and power control.
- Power/Back Button: Dedicated button for power and menu navigation.
- 3.5mm Audio Jack: For connecting external audio devices.

Figure 3: Port layout and connectivity options.
4. Setup
Follow these steps to set up your UPERFECT portable monitor:
4.1 Power Connection
- Connect the provided PD 18W Power Charger to a power outlet.
- Connect the USB-C end of the power cable to one of the USB-C ports on the monitor.
4.2 Device Connection
The monitor supports various devices via USB-C or Mini HDMI:
- For USB-C Compatible Devices (e.g., Laptops, Smartphones, Tablets, Nintendo Switch):
Connect one end of the provided Type-C to Type-C cable to your device's full-featured USB-C port and the other end to a USB-C port on the monitor. This single cable can transmit both video and power. - For HDMI Compatible Devices (e.g., PCs, Game Consoles, Cameras):
Connect one end of the provided Mini HDMI cable to the monitor's Mini HDMI port and the other end to your device's HDMI port. You may need to use a separate USB-C cable for power if your device does not supply sufficient power via HDMI.
4.3 Adjusting the Stand
The monitor features a built-in adjustable stand. Gently pull out the stand from the back of the monitor and adjust it to your desired viewing angle (0-90 degrees).

Figure 4: Integrated kickstand design for versatile viewing.
5. Operating Instructions
5.1 Power On/Off
Press and hold the Power/Back button for a few seconds to turn the monitor on or off.
5.2 Menu Navigation
Use the Up+/Menu/Down Power button to navigate the On-Screen Display (OSD) menu. Press the button to enter the menu, then use it to scroll through options. Press the Power/Back button to go back or exit the menu.
5.3 Display Settings
Within the OSD menu, you can adjust various display settings such as brightness, contrast, color temperature, and input source. Refer to the on-screen prompts for specific adjustments.
6. Maintenance
To maintain the performance and appearance of your monitor:
- Cleaning: Use a soft, lint-free cloth to gently wipe the screen and exterior. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the monitor in a cool, dry place, preferably in its original packaging or a protective sleeve to prevent dust and scratches.
- Handling: Avoid dropping the monitor or subjecting it to strong impacts. Do not place heavy objects on top of it.
7. Troubleshooting
If you encounter issues with your monitor, refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| No display/Black screen |
|
| No power |
|
| Image flickering or unstable |
|
| No sound from speakers/audio jack |
|
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | U26 |
| Screen Size | 13.4 inches |
| Resolution | 3840 x 2400 Pixels (4K UHD) |
| Aspect Ratio | 16:10 |
| Display Type | Matte IPS |
| Brightness | 500 Candela (nits) |
| Color Gamut | 100% sRGB |
| Product Dimensions | 11.81 x 7.48 x 0.39 inches |
| Item Weight | 2.46 pounds |
| Total USB Ports | 2 (Type-C) |
| Voltage | 5 Volts |
9. Warranty and Support
For warranty information and technical support, please refer to the official UPERFECT website or contact their customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.







