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Description
TOPK K31 Mini Portable Fan with Water Mist
Stay cooler wherever you go with the TOPK K31 Mini Portable Misting Fan. Designed with a 2000mAh rechargeable battery, USB-C charging and a 35ml water tank, this compact personal fan combines airflow and misting comfort for summer, travel, desk use and everyday cooling.
With 3 fan speed settings and multiple wind modes, it is a practical choice for personal cooling in small spaces under 10m².

Key Features
- 2-in-1 misting fan: Combines portable fan airflow with a humidifying water mist function.
- 2000mAh rechargeable battery: Supplier data states approximately 4-12 hours of working time depending on use.
- 3 fan speeds: Adjust the airflow to suit your comfort level.
- 35ml water tank: Adds a refreshing misting effect during hot weather.
- USB-C charging: Charges via Type-C cable with 5V/1A input.
- Compact mini design: Easy to carry for travel, commuting, outdoor activities and desk use.
- Multiple colours: Available in Black, White, Blue, Purple and Pink.


Perfect For
- Summer travel and holidays
- Desk and room cooling
- Commuting and shopping trips
- Outdoor walks, camping and picnics
- Personal cooling in small spaces
Specifications
| Brand |
TOPK |
| Model |
K31 |
| Product Type |
Mini Portable Misting Fan / Air Cooling Fan |
| Power Source |
Rechargeable Battery |
| Battery Capacity |
2000mAh |
| Battery Type |
18650 Lithium Battery |
| Working Time |
Approx. 4-12 hours, based on supplier data |
| Charging Time |
Approx. 2.5 hours |
| Charging Port |
USB-C / Type-C |
| Water Tank |
35ml |
| Fan Speed |
3 Speeds |
| Wind Type |
Natural Wind, Sleep Wind, Prevailing Wind |
| Application Area |
< 10m² |
| Voltage |
5V |
| Rated Input Power |
5W |
| Current |
5V / 1A |
| Material |
ABS + electronic components / plastic |
| Colours |
Black, White, Blue, Purple, Pink |
| Certification |
CE, RoHS |
| Remote Control |
No |
| Timing Function |
No Timing |
| Origin |
Mainland China |


How to Use
- Fully charge the fan before first use.
- Connect the supplied USB-C cable to the charging port and a 5V power source.
- When fully charged, unplug the cable and turn on the fan.
- Add clean water to the water tank when using the misting function.
- Select your preferred fan speed and enjoy personal cooling.
Safety & Care Notes
- Use only a 5V power adapter for charging.
- Do not use higher-voltage fast chargers for charging this fan.
- Keep the charging port dry before charging.
- Actual colour may vary slightly due to lighting and screen differences.
- Supplier notes that lab-tested data may vary slightly depending on real usage conditions.
FAQ
Does this fan have a mist function?
Yes. The TOPK K31 includes a 35ml water tank for humidifying mist.
How long does the battery last?
The supplier states approximately 4-12 hours for the 2000mAh version, depending on speed and usage.
How does it charge?
It charges through a USB-C / Type-C port using 5V/1A input.
Can I use a fast charger?
No. The supplier advises not to use a power adapter higher than 5V.
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