Introduction
Thank you for choosing the penkou Portable Neck Fan. This hands-free bladeless fan is designed to provide personal cooling comfort in various indoor and outdoor environments. Please read this manual carefully before use to ensure proper operation and maintenance.
Product Features
- 360° Omnidirectional Cooling: Equipped with 72 wind outlets and 60 twin-turbine fan blades, providing comprehensive airflow around the neck and face.
- Adjustable 3-Speed Settings: Easily switch between low, medium, and high fan speeds to suit your comfort needs.
- Lightweight and Comfortable Design: Weighing only 8.8 ounces, crafted from food-grade TPE material for comfortable, durable, and safe wear.
- Ultra-Quiet Operation: Operates at less than 20 decibels, ensuring minimal disturbance during use.
- Long-Lasting Battery: Features a 4000mAh large capacity battery, offering 3-16 hours of working duration depending on the selected speed.
- USB Rechargeable: Conveniently rechargeable via USB.

Image: The penkou Portable Neck Fan in Dark Green, showcasing its ergonomic design.

Image: Diagram illustrating the 360-degree surrounding air movement provided by the fan.

Image: Close-up view highlighting the internal 4000mAh battery for extended use.
Package Contents
Please check the package for the following items:
- 1 x penkou Portable Neck Fan
- 1 x USB Charging Cable
- 1 x User Manual
Setup
Initial Charging
Before first use, fully charge your neck fan. Connect the provided USB charging cable to the fan's charging port and a compatible USB power source (e.g., wall adapter, computer USB port, power bank). The charging indicator light will show the charging status. A full charge typically takes several hours.
Wearing the Fan
Gently place the neck fan around your neck. The flexible design allows it to conform comfortably to different neck sizes. Ensure the air outlets are positioned to direct airflow towards your face and neck for optimal cooling.
Operating Instructions
Power On/Off
Press and hold the power button located on the side of the fan for a few seconds to turn the device on or off.
Adjusting Fan Speed
Once the fan is on, short press the power button repeatedly to cycle through the three available fan speeds:
- Speed 1 (Low): Gentle breeze for extended use.
- Speed 2 (Medium): Cool breeze for moderate heat.
- Speed 3 (High): Strong wind for maximum cooling.
Video: Demonstration of the penkou Portable Neck Fan's three speed settings and its bladeless design, highlighting how it avoids tangling hair.
Video: A review video showcasing the penkou Portable Neck Fan's hands-free operation and various fan speeds for personal cooling.
Video: Demonstration of the penkou Portable Neck Fan being worn, illustrating its comfortable fit and effective airflow for cooling during hot weather.
Maintenance
Cleaning
To clean the fan, gently wipe the surface with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water. Ensure the air outlets are free from dust and debris for optimal performance.
Storage
When not in use, store the neck fan in a cool, dry place away from direct sunlight and extreme temperatures. Keep it away from children and pets.
Troubleshooting
- Fan not turning on: Ensure the battery is charged. Connect to a power source and try again.
- Weak airflow: Check if the air outlets are blocked by hair, clothing, or debris. Clean if necessary. Ensure the battery is sufficiently charged.
- Not charging: Verify that the USB cable is securely connected to both the fan and the power source. Try a different USB cable or power adapter.
If you encounter any other issues, please refer to the support information below.
Specifications
| Brand | penkou |
| Model Name | Neck fan |
| Color | Dark Green |
| Electric fan design | Wearable Fan |
| Power Source | Battery Powered |
| Product Dimensions | 8.6"D x 7.5"W x 2.6"H |
| Special Feature | Bladeless |
| Noise Level | 20 Decibels |
| Wattage | 6.66 Watt-hours |
| Voltage | 5 Volts |
| Item Weight | 8.8 Ounces |
| Reusability | Rechargeable |
Safety Information
To ensure safe operation and prevent damage to the device or injury, please observe the following safety guidelines:
- Do not disassemble, repair, or modify the fan.
- Keep the fan away from water and other liquids.
- Avoid exposing the fan to direct sunlight or high temperatures for prolonged periods.
- Do not insert fingers or foreign objects into the air outlets.
- Keep out of reach of small children and pets.
- Use only the provided charging cable or a certified equivalent.
Warranty and Support
This product comes with a standard manufacturer's warranty. For details regarding warranty coverage, please refer to the product packaging or contact the retailer where you purchased the item. For technical support or customer service inquiries, please reach out to the penkou customer support team via the contact information provided on the product packaging or official website.





