Bearwind S40
Bearwind S40 Portable Handheld Turbo Fan
Instruction Manual
1. Important Safety Information
Please read all instructions carefully before using the Bearwind S40 Portable Handheld Turbo Fan. Keep this manual for future reference.
- Do not insert fingers or foreign objects into the fan grille.
- Keep the fan away from water and excessive moisture.
- Do not disassemble or attempt to repair the fan yourself. Contact qualified service personnel.
- Use only the provided USB-C charging cable.
- Keep out of reach of children and pets.
- Avoid extreme temperatures and direct sunlight.
2. Product Overview & Features
The Bearwind S40 is a powerful and versatile portable fan designed for ultimate cooling on the go. Its compact size and robust features make it an essential companion for various activities.

Figure 2.1: Bearwind S40 Portable Handheld Turbo Fan
Key Features:
- Ultimate Cooling Experience: Features a 4th-gen high-speed airflow system, 7-blade turbo design, and advanced brushless motor for speeds up to 9 m/s, 3x stronger than ordinary fans.
- 5 Gear Adjustable Speeds: Customize your cooling with five distinct airflow settings (20%, 40%, 60%, 80%, 100%).
- Extended Battery Life: Equipped with a 4000mAh rechargeable battery, providing up to 12 hours of cooling on low settings. Fully charged in just 3 hours via USB-C.
- 3-in-1 Versatile Design: 180° foldable design allows use as a handheld fan, a desk fan, or a neck fan with the adjustable lanyard.
- Compact & Lightweight: Measures 6.7 inches and weighs only 0.42 lb, easily fitting into pockets or purses.
- HD Digital Display: Clear LED screen shows current speed and remaining battery percentage.

Figure 2.2: 4th Gen Turbo Design for powerful airflow

Figure 2.3: Extended Battery Life for prolonged use

Figure 2.4: 3-in-1 Versatile Design
3. Package Contents
Verify that all items are present in the package:
- Bearwind S40 Portable Handheld Turbo Fan
- USB-C Charging Cable
- Adjustable Lanyard
- Instruction Manual

Figure 3.1: Packing List
4. Setup
4.1 Charging the Fan
Before first use, fully charge the fan. Connect the provided USB-C cable to the charging port on the fan and plug the other end into a compatible USB power source (e.g., wall adapter, power bank, computer USB port). The digital display will show the charging progress.

Figure 4.1: Convenient USB-C Charging
4.2 Attaching the Lanyard
To use the fan as a neck fan, attach the adjustable lanyard to the designated loops on the fan's handle. Ensure it is securely fastened before wearing.
5. Operating Instructions
5.1 Power On/Off
Press and hold the power button (located on the handle) for 2 seconds to turn the fan on or off.
5.2 Adjusting Fan Speed
Once powered on, short press the power button to cycle through the 5 available speed settings (20%, 40%, 60%, 80%, 100%). The digital display will indicate the current speed percentage.
5.3 Using the 3-in-1 Design
- Handheld Fan: Hold the fan by its handle for direct cooling.
- Desk Fan: Fold the handle 180° to create a stable base, allowing the fan to stand on a flat surface.
- Neck Fan: Attach the lanyard and wear the fan around your neck. Adjust the fan head for optimal airflow.
Video 5.1: Stay Cool: Essential Portable Handheld Fan. This video demonstrates the fan's various uses and features, including its adjustable speeds and portability.
Video 5.2: Portable Handheld Fan: Summer Must-Have! This video highlights the fan's effectiveness and convenience for summer activities.
6. Maintenance
- Cleaning: Use a soft, dry cloth to wipe the fan's exterior. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the fan in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge it regularly, even if not in constant use.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan does not turn on. | Low battery. | Charge the fan fully. |
| Weak airflow. | Low speed setting. | Increase the fan speed using the power button. |
| Fan not charging. | Cable or adapter issue. | Try a different USB-C cable or power adapter. Ensure connections are secure. |
| Unusual noise during operation. | Obstruction in fan blades. | Turn off the fan and carefully check for any obstructions in the fan grille. |
8. Specifications
| Attribute | Value |
|---|---|
| Brand | Bearwind |
| Model Name | S40 |
| Color | Black |
| Power Source | Battery Powered |
| Battery Capacity | 4000mAh (Lithium Ion) |
| Charging Time | Approx. 3 hours |
| Product Dimensions | 1.8"D x 2.3"W x 6.7"H |
| Item Weight | 6.6 ounces |
| Number of Blades | 7 |
| Noise Level | 40 dB |
| Control Method | Touch |
| Voltage | 5 Volts |
| Wattage | 10 watts |
| Indoor/Outdoor Usage | Outdoor |
9. Warranty & Support
For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the official Bearwind website.
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