AOCOOLFAN DQ203
AOCOOLFAN Portable Neck Fan Instruction Manual
Model: DQ203
Introduction
Thank you for choosing the AOCOOLFAN Portable Neck Fan. This compact and versatile device is designed to provide personal cooling wherever you go. It can be used as a handheld fan, worn around the neck for hands-free operation, or placed on a desk as a small personal fan. With its three-speed settings and long-lasting rechargeable battery, it's an ideal companion for travel, outdoor activities, office work, or simply staying cool at home.

Image: The AOCOOLFAN Portable Neck Fan, showcasing its primary use as a neck-worn device for hands-free cooling.
Safety Information
- Do not immerse the fan in water or other liquids.
- Keep out of reach of small children and pets.
- Do not disassemble, repair, or modify the fan yourself. Contact qualified personnel for service.
- Use only the provided charging cable and a compatible USB power source (5V).
- Avoid placing fingers or foreign objects into the fan blades or air outlets.
- Do not expose the fan to extreme temperatures or direct sunlight for prolonged periods.
Package Contents
Please check the package contents to ensure all items are present:
- 1 x AOCOOLFAN Portable Neck Fan (White)
- 1 x USB Type-C Charging Cable
- 1 x Adjustable Lanyard
- 1 x User Manual (this document)
Product Overview
Familiarize yourself with the different parts of your AOCOOLFAN Portable Neck Fan:

Image: Key features of the fan, including its compact size, long battery life, wide-angle airflow, three-speed settings, quiet motor, and adjustable lanyard.
- Air Outlet: Located at the top, providing cooling airflow.
- Power Button: Controls power on/off and fan speed.
- Digital Display Screen: Shows battery percentage and current fan speed.
- USB Type-C Charging Port: For recharging the internal battery.
- Lanyard Attachment Points: Slots on the sides for securing the lanyard.
- Integrated Kickstand: Foldable stand on the back for desk use.
Setup
Initial Charging
Before first use, fully charge the fan. A full charge takes approximately 3 hours.
- Connect the provided USB Type-C cable to the charging port on the fan.
- Connect the other end of the USB cable to a compatible USB power source (e.g., computer USB port, USB wall adapter, power bank, car charger).
- The digital display will show the charging progress. Once fully charged, the display will indicate 100%.

Image: Multiple power supply options for charging the fan, including car chargers, laptops, USB adapters, and power banks. The display screen and Type-C charging port are also highlighted.
Attaching the Lanyard
The fan comes with a removable lanyard for hands-free use.

Image: Step-by-step visual guide on how to properly attach the adjustable lanyard to the fan for secure neck-wearing.
- Locate the lanyard attachment points on both sides of the fan.
- Thread the thin loop of the lanyard through the attachment slot.
- Pass the main lanyard strap through the loop you just created.
- Pull the strap to secure the lanyard firmly to the fan. Repeat for the other side.
- Adjust the length of the lanyard for comfortable wearing around your neck.
Operating Instructions
Power On/Off and Speed Adjustment
The fan features three adjustable speed settings.
- To Power On: Press the power button once. The fan will start at Speed 1 (Sleep Wind). The display will show "01".
- To Adjust Speed: Press the power button again to cycle through speeds:
- Second press: Speed 2 (Natural Wind), display shows "02".
- Third press: Speed 3 (Strong Wind), display shows "03".
- To Power Off: Press the power button a fourth time to turn off the fan.

Image: Demonstrates the fan's versatility, showing it worn around the neck, used as a desk fan with its built-in stand, and clipped to a waist belt.
Understanding the Display
The digital display provides important information:
- Speed Indication: Displays "01", "02", or "03" to indicate the current fan speed.
- Battery Percentage: Shows the remaining battery charge as a percentage.
- Low Battery Warning: When the battery is low, the display may show "LO".
- Full Charge Indication: When fully charged, the display will show "100%".
Maintenance
Cleaning the Fan
To ensure optimal performance and longevity, clean your fan regularly:
- Ensure the fan is turned off and unplugged from any power source before cleaning.
- Use a soft, dry cloth to wipe the exterior of the fan.
- For dust accumulation in the air outlet, use a soft brush or cotton swab to gently remove debris. Do not use sharp objects.
- Do not use abrasive cleaners, solvents, or immerse the fan in water.
Storage
When not in use for extended periods:
- Store the fan in a cool, dry place, away from direct sunlight and extreme temperatures.
- It is recommended to charge the fan to about 50% before storing to preserve battery health.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan does not turn on. | Battery is depleted. | Charge the fan fully. |
| Power button not pressed correctly. | Ensure a firm press on the power button. | |
| Fan does not charge. | Charging cable or adapter is faulty. | Try a different USB Type-C cable and/or power adapter. |
| Charging port is dirty or damaged. | Gently clean the charging port. If damaged, contact support. | |
| Weak airflow. | Fan is on a low speed setting. | Press the power button to increase the fan speed. |
| Air outlet is obstructed. | Clear any obstructions from the air outlet. | |
| Unusual noise during operation. | Foreign object inside the fan. | Turn off the fan immediately. Do not attempt to remove the object yourself. Contact support. |
Specifications
| Feature | Detail |
|---|---|
| Brand | AOCOOLFAN |
| Model Name | DQ203 |
| Color | White |
| Product Dimensions | 1.69"D x 3.27"W x 4.84"H |
| Item Weight | 4.8 ounces (0.3 Pounds) |
| Power Source | Battery Powered (1 Lithium Ion battery included) |
| Battery Capacity | 2000 milliamp_hours (mAh) |
| Charging Time | Approximately 3 hours |
| Max Working Time | Up to 12 hours (on lowest speed setting) |
| Number of Power Levels | 3 |
| Noise Level | 35 dB |
| Connector Type | USB Type C |
| Blade Material | Plastic |
| Control Method | Touch (Push Button) |

Image: Details on the fan's battery specifications, including its 2600mAh capacity, 3-hour charging time, and up to 12 hours of operation.
Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official AOCOOLFAN website. Please retain your proof of purchase for any warranty claims.
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