Introduction
Thank you for choosing the SUNPOLLO 4-inch USB Mini Desk Fan. This compact and powerful fan is designed to provide personal cooling in various settings, powered conveniently via USB. Its durable metal construction and quiet operation make it suitable for office desks, bedrooms, or travel. This manual provides essential information for safe operation, setup, maintenance, and troubleshooting.
Safety Instructions
- Always ensure the fan is placed on a stable, flat surface to prevent tipping.
- Do not insert fingers or any objects into the fan grille while it is operating.
- Keep the fan away from water or other liquids. Do not operate in wet environments.
- Do not block the air intake or outlet. Ensure adequate space around the fan for proper airflow.
- Unplug the fan from the USB power source before cleaning or when not in use for extended periods.
- This fan is designed for indoor use only.
- Do not attempt to disassemble or repair the fan yourself. Contact customer support for assistance.
- Keep out of reach of children and pets.
Package Contents
Please check the package for the following items:
- SUNPOLLO 4-inch USB Mini Desk Fan
- USB Power Cable (attached)
- User Manual

Image: The SUNPOLLO 4-inch USB Mini Desk Fan shown alongside its retail packaging and included USB cable.
Setup
- Placement: Place the fan on a flat, stable surface where you desire cooling. Ensure the rubber feet are securely positioned to prevent movement.
- Connect Power: Insert the USB plug of the fan's power cable into a compatible USB power source. This can be a computer's USB port, a USB wall adapter (not included), or a power bank.

Image: The USB Mini Desk Fan demonstrating connection to a laptop, a power bank, and a USB wall adapter.
Operating Instructions
- Power On/Off: Locate the rocker-style power switch on the back of the fan. Press the 'I' side to turn the fan ON, and the 'O' side to turn it OFF.
- Adjust Angle: The fan features a 360-degree rotation design. Gently tilt the fan head up or down to direct the airflow to your desired angle.

Image: A detailed view of the fan's rear, highlighting the rocker switch for power control and the anti-slip rubber feet.

Image: A circular diagram demonstrating the fan's ability to rotate 360 degrees on its stand, allowing for flexible airflow direction.
Maintenance
Regular cleaning helps maintain optimal performance and extends the life of your fan.
- Cleaning: Ensure the fan is unplugged from its power source before cleaning. Use a soft, dry cloth to wipe the exterior surfaces. For dust accumulation on the fan blades or grille, use a soft brush or compressed air. Do not use abrasive cleaners or immerse the fan in water.
- Storage: When not in use, store the fan in a cool, dry place, away from direct sunlight and moisture.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan does not turn on. | No power supply. | Ensure the USB cable is securely connected to both the fan and a working USB power source. Check if the power switch is in the 'ON' position. |
| Weak airflow. | Blocked air intake/outlet or dust accumulation. | Ensure nothing is obstructing the front or back of the fan. Clean any dust from the grille and blades as per maintenance instructions. |
| Unusual noise during operation. | Fan not on a stable surface or foreign object. | Place the fan on a flat, stable surface. Check for any loose debris or objects near the fan blades (with power off). |
Specifications

Image: The SUNPOLLO 4-inch USB Mini Desk Fan with key dimensions labeled: 5.7 inches width, 5.6 inches height, and 3.3 inches base depth.

Image: A diagram highlighting key features of the fan, including its high-quality metal net, four aluminum blades for stronger winds, and a triangular chassis for stability.
| Feature | Detail |
|---|---|
| Brand | SUNPOLLO |
| Color | Red |
| Electric fan design | Table Fan |
| Power Source | USB Powered |
| Style | Modern |
| Room Type | Bedroom |
| Recommended Uses For Product | Travel |
| Wattage | 2.5 watts |
| Finish Type | Metal |
| Voltage | 5 Volts |
| Switch Type | Push Button |
| Included Components | Cord |
| Control Method | Button Control |
| UPC | 601209206080 |
| Item Weight | 10.4 ounces |
| ASIN | B01DK4IHE8 |
| Diameter | 4 Inches |
| Batteries required | No |
| Mounting Type | Desk Fan |
| Material | Metal |
Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official SUNPOLLO website. Please retain your proof of purchase for any warranty claims.