Introduction
This manual provides essential information for the safe and efficient operation of your HandFan HF-310 Portable Rechargeable Handheld Fan. Please read thoroughly before use to ensure proper functionality and longevity of your device.
Product Overview
The HandFan HF-310 is a versatile, portable fan designed for personal cooling. It features a 180° foldable design, multiple speed settings, and a rechargeable battery, making it suitable for various indoor and outdoor activities.
Key Features
- Removable, replaceable battery for extended life.
- Portable and foldable design for easy transport and storage.
- Type-C charging port for quick and efficient charging.
- Three wind speed settings with six fan blades for strong airflow.
- Lightweight and compact, suitable for various uses including handheld, desktop, and clip-on.
Package Contents
- HandFan HF-310 Portable Handheld Fan
- USB Charging Cable
- User Manual (this document)
Setup
Initial Charging
Before first use, ensure the fan is fully charged to optimize battery performance.
- Connect the provided USB charging cable to the Type-C port on the fan.
- Connect the other end of the USB cable to a compatible USB power source (e.g., computer, wall adapter).
- The charging indicator lights will illuminate to show charging status. A full charge typically takes approximately 4 hours.
Battery Installation/Replacement
The HandFan HF-310 features a removable and replaceable 18650 Li-ion 3.7V battery.
- Locate the battery compartment on the handle.
- Carefully open the compartment cover.
- Insert or replace the 18650 battery, ensuring correct polarity.
- Close the battery compartment securely.
Operating Instructions
Power On/Off and Speed Adjustment
The fan has three adjustable speed settings to suit your cooling needs.
- To turn on the fan, press the power button once. The fan will start at the lowest speed.
- Press the power button repeatedly to cycle through the speed settings (Low > Medium > High).
- To turn off the fan, press the power button after the highest speed setting, or press and hold the button for a few seconds.
Folding Function and Usage Modes
The fan's handle can be folded 180° for compact storage or to convert it into a desktop fan.
- Handheld Mode: Hold the fan by its handle for direct personal cooling.
- Desktop Mode: Fold the handle to create a stable base, allowing the fan to stand on a flat surface.
- Folded for Storage: Fold the fan completely for compact storage in bags or purses.

Image: The HandFan HF-310 shown in both handheld mode and folded into a stable desktop fan configuration.

Image: A collage illustrating the fan's versatility, showing it being held, folded for storage, standing on a surface, and clipped onto an object.
Maintenance
Cleaning
Regular cleaning helps maintain optimal performance and extends the lifespan of your fan.
- Ensure the fan is turned off and unplugged from any power source before cleaning.
- Use a soft, dry cloth to wipe the exterior surfaces of the fan.
- For dust accumulation on the fan blades, carefully use a cotton swab or a soft brush to clean between the grilles.
- Do not use abrasive cleaners, solvents, or immerse the fan in water.
Storage
When not in use for extended periods, proper storage is recommended.
- Store the fan in a cool, dry place, away from direct sunlight and extreme temperatures.
- Ensure the fan is fully charged before storing to prevent battery degradation.
Troubleshooting
If you encounter any issues with your HandFan HF-310, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan does not turn on | Battery is depleted | Charge the fan fully using the USB cable. |
| Fan runs weakly | Low battery or obstruction | Recharge the battery. Ensure fan grilles and blades are free from obstructions. |
| Unusual noise during operation | Obstruction in fan blades | Turn off the fan and carefully remove any foreign objects from the blades. |
Specifications
Detailed technical specifications for the HandFan HF-310.
| Feature | Detail |
|---|---|
| Brand | HandFan |
| Model Name | Handheld Fan (HF-310) |
| Power Source | Battery Powered |
| Battery Specification | Li-ion 3.7V (2000mAh) |
| Charging Time | About 4 hours |
| Number of Power Levels | 3 |
| Number of Blades | 6 |
| Input Voltage | 5 Volts |
| Input Current | 0.5-1A |
| Output Power | 4 watts |
| Noise Level | 20 Decibels |
| Product Dimensions | 1"D x 3.9"W x 7.8"H |
| Item Weight | 0.44 Pounds (7 ounces) |
| Special Features | Foldable, Handheld, Rechargeable, Lightweight, Portable |
| Included Components | USB Cord |
| UPC | 718040901965 |
Warranty and Support
For warranty information or technical support regarding your HandFan HF-310, please contact HandFan customer service. Refer to the product packaging or the official HandFan website for specific contact details.
You can also visit the official HandFan store on Amazon for additional product information and support: HandFan Store




