Remax Handheld High Speedy Small Portable Fan RS-SF21 4000mAh Battery Tarnish

Experience next-level cooling with the Remax RS-SF21 High-Speed Portable Handheld Fan, designed for powerful performance and modern convenience. Built with a high-capacity 4000mAh rechargeable battery, this fan ensures long-lasting operation, delivering up to several hours of cooling depending on speed levels.

Equipped with a turbocharged air duct system, the fan produces strong wind speeds of up to 10–11 m/s, ensuring instant cooling even in hot environments. The dual air duct design enhances airflow while reducing noise, making it both powerful and quiet for everyday use.

The RS-SF21 stands out with its digital display and 200-level stepless speed control, allowing precise airflow adjustment for personalized comfort. Its semiconductor cooling function adds an extra refreshing effect, making it more than just a regular handheld fan.

Designed with portability in mind, it features a mountaineering buckle lanyard for easy carrying, whether you’re traveling, commuting, or outdoors. The premium ABS material with electroplated buttons gives it a stylish and durable finish, ensuring long-term usability.

With fast Type-C charging and approximately 2 hours charging time, the fan is always ready to keep you cool anytime, anywhere. Available at shop 504 lift 04 Gulshan Police Plaza. Call 01826476476 for more details.

Key Features:

• Turbocharged air duct, strong air outlet, 10-11 meters/s high-speed wind.
• The paint spraying process has a stronger texture, unique dual air duct design, stronger wind force, and lower noise.
• Digital display with infinite adjustment function for 200 gears.
• Mountaineering buckle lanyard design, convenient to carry.
• Electroplated buttons buttons for a more exquisite appearance.
• Semiconductor icing function. Real time activation of air blowing and semiconductor cooling.

Specifications:

• Material and Technology: ABS
• Capacity: 3600mAH
• Input Voltage: 5V/2A
• Rated power: 6.8W
• Charging time: About 2H
• Fully charged: Battery level display 200
• Charging port: Type-C
• Working time: 2 Hrs – 8 Hrs

1. Why is the Remax RS-SF21 better than regular handheld fans?

Answer:
Because it delivers turbo-level cooling performance with wind speeds up to 10–11 m/s, giving instant relief even in extreme heat. Its dual air duct design also improves airflow while keeping noise low, making it both powerful and comfortable to use.

2. Does it offer advanced control and smart features?

Answer:
Yes, it comes with a digital display and 200-level stepless speed control, allowing precise airflow adjustment—from soft breeze to strong wind—based on your exact comfort needs.

3. Is it suitable for long outdoor or daily use?

Answer:
Absolutely. With a high-capacity battery (around 3600–4000mAh) and portable design with lanyard, it ensures extended usage and easy carrying—perfect for travel, outdoor activities, and daily commuting.