LEMOISTAR FB2
LEMOISTAR FB2 Portable Mini Waist Clip Belt Fan User Manual
Model: FB2
1. Introduction
Thank you for choosing the LEMOISTAR FB2 Portable Mini Waist Clip Belt Fan. This device is designed to provide personal cooling in various environments, offering versatile wearing options including waist clip, belt clip, and necklace fan modes. Its compact design and powerful airflow make it suitable for outdoor activities, work, and travel. Please read this manual thoroughly before use to ensure proper operation and maintenance.

The LEMOISTAR portable fan, designed for personal cooling, features a compact black casing with an integrated clip and upward-directed airflow.
2. Package Contents
- LEMOISTAR FB2 Portable Mini Waist Clip Belt Fan
- USB Charging Cable
- Adjustable Lanyard
- User Manual
3. Product Features
- 3-in-1 Versatile Design: Functions as a waist fan, belt fan, or necklace fan with an adjustable lanyard and dual-clip system.
- Powerful Airflow: Equipped with a high-performance turbine blade, delivering strong wind up to 82 ft/s.
- Quiet Operation: Engineered for low noise levels, typically below 40 dB.
- Long-Lasting Battery: Integrated 5000mAh rechargeable lithium polymer battery provides up to 20 hours of operation on low speed.
- Fast Charging: Fully charges in approximately 4.5 hours via USB.
- 3 Speed Settings: Easily switch between soft, cool, and strong wind modes.
- Compact & Lightweight: Portable design (3.35 x 2.52 x 4.02 inches, 0.49 lb) for easy carrying.
- Durable Construction: Made from high-quality ABS plastic for resistance to external shocks.

An internal view of the fan's turbine blade, engineered for both powerful air delivery and low noise levels during operation.

The fan is equipped with a 5000mAh battery, offering three speed settings: Speed 1 (2600 RPM, 20 hours), Speed 2 (3500 RPM, 9 hours), and Speed 3 (4200 RPM, 4.5 hours).
4. Setup
4.1 Initial Charging
Before first use, fully charge the fan. Connect the provided USB charging cable to the fan's charging port and to a compatible USB power source (e.g., wall adapter, power bank, computer USB port). The charging indicator light (if present, refer to product for specific indicator behavior) will typically show charging status and turn off or change color when fully charged.
4.2 Attaching the Lanyard
To use the fan as a necklace fan, attach the adjustable lanyard to the designated loops on the fan unit. Ensure it is securely fastened.
4.3 Wearing Options
- Necklace Fan: Wear the fan around your neck using the attached lanyard. Adjust the lanyard length for comfort and optimal airflow.
- Waist/Belt Clip: Utilize the large clip on the back of the fan to attach it to your belt or waistband.
- Internal Clothing Clip: For more discreet cooling, use the smaller internal clip to secure the fan to your clothing, directing airflow upwards.

The fan can be worn around the neck using the adjustable lanyard, providing hands-free cooling.

The fan features a dual-clip design, allowing it to be securely attached to a belt or discreetly clipped inside clothing for targeted cooling.
5. Operating Instructions
5.1 Power On/Off
To turn the fan ON or OFF, press and hold either the top or bottom power button for approximately 2 seconds.
5.2 Adjusting Fan Speed
Once the fan is on, short press either the top or bottom power button to cycle through the speed settings:
- First press: Speed 1 (Soft wind)
- Second press: Speed 2 (Cool wind)
- Third press: Speed 3 (Strong wind)
- Fourth press: Turns the fan off (or long press to turn off at any speed).
6. Charging
When the battery is low, the fan's performance may decrease. To recharge:
- Connect the small end of the USB charging cable to the fan's charging port.
- Connect the larger end of the USB cable to a standard USB power source (e.g., 5V USB wall adapter, power bank, laptop, car charger).
- The fan will fully charge in approximately 4.5 hours. Refer to the product's indicator lights for charging status.

The fan supports fast USB charging and can be powered from multiple sources, including wall adapters, power banks, laptops, and car chargers.
7. Maintenance
7.1 Cleaning the Fan
To maintain optimal performance, periodically clean the fan. Use a soft, dry cloth to wipe the exterior. For dust accumulation in the air intake or outlet, use a soft brush or compressed air. Do not use liquid cleaners or immerse the fan in water.
7.2 Storage
When not in use for extended periods, store the fan in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the battery is partially charged before storage to prolong its lifespan.
8. Troubleshooting
- Fan does not turn on:
- Ensure the battery is charged. Connect the fan to a power source and attempt to turn it on.
- Confirm you are pressing and holding the power button for the required duration (approx. 2 seconds).
- Fan does not charge:
- Check if the USB cable is securely connected to both the fan and the power source.
- Try using a different USB cable or power adapter to rule out faulty accessories.
- Ensure the power source is active and providing power.
- Weak airflow:
- Check the fan speed setting; increase to a higher speed if necessary.
- Ensure the air intake and outlet are not obstructed by clothing, hair, or debris.
- The battery may be low; recharge the fan.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | LEMOISTAR |
| Model Name | FB2 |
| Color | Black |
| Electric Fan Design | Wearable Fan |
| Power Source | Battery Powered |
| Battery Capacity | 5000 mAh (Lithium Polymer) |
| Product Dimensions | 3.39"D x 2.44"W x 3.98"H |
| Item Weight | 9.9 ounces |
| Noise Level | 40 Decibels |
| Number of Power Levels | 3 |
| Voltage | 5 Volts |
| Switch Type | Push Button |
| Indoor/Outdoor Usage | Outdoor |
| Reusability | Rechargeable |
10. Safety Information
- Do not disassemble, repair, or modify the fan. This may cause electric shock, fire, or damage to the product.
- Keep the fan away from water and other liquids. Do not operate with wet hands.
- Avoid placing fingers or foreign objects into the fan blades or vents.
- Do not expose the fan to extreme temperatures, direct sunlight, or high humidity.
- Keep out of reach of children and pets.
- Use only the provided or a certified USB cable for charging.
11. Warranty and Support
LEMOISTAR products are designed for reliability and performance. For warranty information, technical support, or customer service inquiries, please refer to the contact information provided with your purchase or visit the official LEMOISTAR website. Please retain your proof of purchase for warranty claims.

The fan is versatile for wide application, suitable for various outdoor activities and work environments, providing personal cooling.