1. Introduction
This manual provides detailed instructions for the proper setup, operation, and maintenance of your upHere N12U04 120mm USB Fan. This fan is designed to provide efficient cooling for various electronic devices, including computers, laptops, gaming consoles (PS4/PS5), TV boxes, AV cabinets, projectors, and routers. Please read this manual thoroughly before using the product to ensure optimal performance and safety.
2. Safety Information
- Ensure the fan is placed on a stable, flat surface to prevent accidental falls.
- Do not expose the fan to water or excessive moisture.
- Keep fingers and other objects away from the fan blades during operation. The fan is equipped with protective grilles, but caution is still advised.
- Only use the provided USB power cable. Do not attempt to power the fan with incompatible adapters.
- Do not block the air intake or exhaust vents of the fan.
- Unplug the fan from the USB power source before cleaning or performing any maintenance.
3. Package Contents
Verify that all items are present in your package:
- upHere N12U04 120mm USB Fan (with integrated USB cable and speed controller)
- Removable rubber pads (pre-installed or included separately)

Image: The upHere N12U04 USB fan, showing its main body, integrated USB cable, and the inline speed controller. The fan is equipped with rubber feet for stability and vibration reduction.
4. Setup
Follow these steps to set up your upHere N12U04 USB Fan:
- Placement: Position the fan in the desired location to optimize airflow for your device. Ensure there is adequate space around the fan for proper ventilation.
- Rubber Pads: The fan comes with removable rubber pads. These pads help reduce noise from vibration and provide stability. They can be detached if a lower profile is needed for tight spaces.
- Connect Power: Plug the USB connector of the fan's cable into an available USB port on your device (e.g., computer, gaming console, TV box) or a USB power adapter (5V).

Image: A close-up view of the USB power adaptor, highlighting its standard USB-A connector. This adaptor allows the fan to be powered by any device with a USB host port or a USB power supply.

Image: A diagram illustrating the removable rubber pads on the fan. Arrows indicate how the pads can be detached from the fan's corners to reduce its overall height, useful for installation in confined spaces.
5. Operating Instructions
The upHere N12U04 fan features an inline speed controller for adjusting airflow.
- Power On: Once connected to a USB power source, the fan will automatically turn on.
- Adjust Speed: Use the slide switch on the inline controller to select your desired fan speed:
- H (High): For maximum airflow and cooling performance.
- M (Medium): Suitable for most applications, balancing airflow and noise.
- L (Low): Provides the lowest noise level for quiet operation.
- O (Off): Turns the fan off.

Image: A detailed diagram of the fan's inline speed controller. It clearly labels the 'H' for High speed, 'M' for Medium speed, 'L' for Low speed, and 'O' for Off, along with corresponding airflow, rotational speed, and noise level specifications.
Video: This video demonstrates the upHere U1204 USB fan in operation, showcasing its features such as the USB interface, anti-vibration rubber feet, speed control switch, and protective grilles. It also illustrates the fan's strong airflow and its application in cooling various devices like game consoles, laptops, and routers.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your fan.
- Cleaning: Periodically clean the fan blades and grilles to prevent dust buildup, which can impede airflow and reduce efficiency. Use a soft, dry cloth or a can of compressed air. Do not use liquid cleaners.
- Safety Grilles: The fan is equipped with black metal grilles on both sides to protect your hands and the fan blades. Ensure these grilles remain intact and are not bent or damaged.

Image: A diagram illustrating the multiple protection features of the fan, specifically highlighting the black metal grille. This grille is designed to protect users' hands and prevent damage to the fan blades during operation.
7. Troubleshooting
- Fan not turning on:
- Ensure the USB cable is securely plugged into a working USB port or power adapter.
- Check the inline speed controller switch is not set to 'O' (Off).
- Try plugging the fan into a different USB port or power source to rule out a faulty port.
- Fan not spinning at desired speed:
- Verify the speed controller is set to 'H' (High), 'M' (Medium), or 'L' (Low) as desired.
- Ensure there are no obstructions blocking the fan blades.
- Excessive noise or vibration:
- Check that the fan is placed on a stable surface.
- Ensure the rubber pads are properly installed to absorb vibrations.
- Clean any dust or debris from the fan blades.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | N12U04 |
| Product Dimensions | 120mm x 120mm x 25mm (4.72L x 4.72W x 0.98H inches) |
| Voltage | 5 Volts DC |
| Wattage | 1.5 watts |
| Power Connector Type | 2-Pin USB |
| Cooling Method | Air |
| Material | Metal |
| Maximum Rotational Speed | 1300 RPM |
| Airflow (L/M/H) | 46/50/58 CFM |
| Noise Level (L/M/H) | 18/22/25 dBA |
| Compatible Devices | Computer, Laptop, TV Box, Receiver, AV Cabinet, PS4, Projector, Router, Gaming Console |

Image: A comprehensive diagram detailing the specifications of the upHere N12U04 fan, including its dimensions (120mm x 120mm x 25mm), voltage (5V DC), noise level (18dBA), airflow (46/52/58 CFM), and speed (1050/1200/1300 RPM).
9. Warranty
The upHere N12U04 USB Fan comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product is free from defects in material and workmanship under normal use. Please retain your proof of purchase for warranty claims.
10. Support
For technical assistance, warranty claims, or any questions regarding your upHere N12U04 USB Fan, please contact upHere customer support. You can find more information and contact details on the official upHere website or through your retailer.
Manufacturer Location: Dongguan City, Guangdong Province, China
For additional products and information, visit the upHere Store.