Important Safety Information
Please read all instructions carefully before using the yAyusi WF-F21 Neck Fan. Keep this manual for future reference.
- Do not insert fingers or foreign objects into the fan grilles.
- Keep long hair tied back to prevent entanglement with the fan blades.
- Do not expose the device to water or excessive moisture.
- Avoid dropping or subjecting the device to strong impacts.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
- Keep out of reach of children.
- Use only the provided charging cable or a certified equivalent.
Product Overview
The yAyusi WF-F21 Neck Fan is a portable cooling device designed for personal comfort. It features a cooling plate, multiple fan speeds, and LED lighting.
Key Features:
- Built-in Air Conditioning Cooling Chip: Reduces temperature by up to 51°F (10.5°C) in 1 second.
- 3 Fan Speeds & 2 Cooling Modes: Customizable airflow and cooling intensity.
- 4000mAh Rechargeable Battery: Provides extended usage time.
- LED Lighting: Features blue light and RGB light modes for aesthetic appeal.
- Ergonomic & Bladeless Design: Comfortable, hands-free, and safe for use.
- LED Display: Shows current operating status and mode.
Components:
Setup
1. Charging the Device
- Before first use, fully charge the neck fan.
- Connect the provided USB Type-C charging cable to the charging port on the device.
- Connect the other end of the cable to a compatible USB power adapter (not included).
- The battery indicator lights on the device will show the charging status. A full charge takes approximately 4 hours.
Video: Unboxing and initial setup of the yAyusi Neck Fan, showing included charging cable and basic operation.
Operating Instructions
1. Power On/Off
- Press and hold the power button (⚙) for 2 seconds to turn the device on or off.
- The LED display will show the current fan speed or cooling mode.
2. Adjusting Fan Speed
- Once powered on, short press the power button (⚙) to cycle through 3 fan speeds (01, 02, 03).
3. Activating Cooling Mode
- Short press the snowflake button (❄) to activate the cooling mode.
- Press again to cycle through 2 cooling levels (1-gear: 59°F/15°C, 2-gear: 51°F/10.5°C).
- The cooling plate on the back of the neck will become cold.
4. Changing LED Light Modes
- Double-press the snowflake button (❄) to cycle through blue light mode, RGB light mode, or turn the lights off.
5. Adjusting Angle
- The neck fan is designed with soft silicone, allowing for 0-105° flexible adjustment to fit various neck sizes and direct airflow.
Maintenance
1. Cleaning
- Wipe the exterior of the device with a soft, dry cloth.
- Do not use abrasive cleaners or solvents.
- Ensure the fan grilles are free from dust and debris for optimal performance. Use a soft brush if necessary.
2. Storage
- Store the device in a cool, dry place away from direct sunlight.
- Avoid placing heavy objects on top of the device.
Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Device not turning on | Low battery; Device not charged | Charge the device fully using the provided Type-C cable. |
| Cooling plate not cold | Cooling mode not activated; Device malfunction | Ensure cooling mode is activated by pressing the snowflake button. If issue persists, contact customer support. |
| Excessive noise during operation | Obstruction in fan blades; Internal damage | Check fan grilles for any obstructions. If noise is unusual or persistent, discontinue use and contact customer support. |
| Hair getting caught in fan | Long hair not secured | Always tie back long hair or ensure it is clear of the fan grilles before and during use. |
Specifications
| Feature | Detail |
|---|---|
| Brand | yAyusi |
| Model Name | WF-F21 |
| Color | White |
| Electric Fan Design | Wearable Fan |
| Power Source | Battery Powered |
| Battery Capacity | 4000mAh Lithium Ion (included) |
| Number of Power Levels | 3 (Fan) |
| Cooling Modes | 2 (59°F/15°C, 51°F/10.5°C) |
| Special Feature | LED Light, Portable, Cooling Plate |
| Product Dimensions | 6.69"D x 1.96"W x 7.87"H |
| Item Weight | 13 Ounces |
| Control Method | Touch, Button Control |
| Indoor/Outdoor Usage | Indoor |
Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact yAyusi customer service directly. Keep your purchase receipt as proof of purchase.
Contact information can typically be found on the manufacturer's official website or through the retailer where the product was purchased.
