1. Introduction
Thank you for choosing the EUKI DE-X3MINI-FR Cordless Air Duster. This powerful and portable device is designed for efficient dust removal and various other applications, offering a sustainable alternative to traditional canned air. With its advanced brushless motor and long-lasting battery, it provides a stable and comfortable user experience.
2. Safety Instructions
- Use a 5V2A power adapter for charging.
- Do not exceed 12 hours of charging time to prevent battery damage.
- Keep the product away from heat sources or flammable materials.
- Do not block the air inlet during operation.
- This device features an intelligent battery protection system to prevent overheating, overcharging, and short circuits. It automatically shuts off after 3 minutes of inactivity for added safety.
3. Package Contents
Please check the package to ensure all items are present:
- 1 x EUKI DE-X3MINI-FR Cordless Air Duster
- 4 x Nozzles
- 1 x Type-C Charging Cable
- 1 x User Manual

Image: The EUKI DE-X3MINI-FR air duster, four different nozzles, a USB-C charging cable, and the user manual, all neatly arranged as included in the package.
4. Product Overview
The EUKI DE-X3MINI-FR features a compact and ergonomic design, weighing only 205g and measuring 131x86x37 mm, making it highly portable. It integrates an advanced brushless motor technology, reaching up to 130,000 RPM for powerful and stable operation with reduced noise. The device is equipped with a rotary locking nozzle system for secure attachment, preventing accidental detachment during use.

Image: The EUKI DE-X3MINI-FR cordless air duster shown with its main body and three interchangeable nozzles, highlighting its compact design.

Image: A person holding the EUKI DE-X3MINI-FR air duster, demonstrating its compact size and portability, fitting easily into a pocket. Dimensions and weight are also indicated.
5. Charging
The device is equipped with a 5000mAh rechargeable battery, providing up to 4 hours of autonomy at the lowest speed setting. To charge the device:
- Connect the provided Type-C charging cable to the charging port on the air duster.
- Connect the other end of the cable to a 5V2A power adapter (not included).
- The charging indicator lights will show the charging status. Ensure not to overcharge the device (maximum 12 hours).

Image: A diagram illustrating the internal 5000mAh battery (composed of two 2500mAh cells) and the USB-C charging process, highlighting the 4-hour runtime at 1st speed and integrated safety protections.
6. Setup
To prepare your air duster for use:
- Select the appropriate nozzle for your cleaning task.
- Align the nozzle with the air outlet of the device.
- Twist the nozzle gently to lock it into place. The rotary locking system ensures a secure fit.
7. Operating Instructions
The EUKI DE-X3MINI-FR offers three adjustable speeds to suit various cleaning needs. Press the power button to cycle through the speeds.
- Speed 1 (30,000 RPM / 15m/s): Gentle airflow, ideal for delicate tasks like drying pet hair.
- Speed 2 (70,000 RPM / 30m/s): Moderate airflow, suitable for cleaning keyboards and general dust removal.
- Speed 3 (130,000 RPM / 45m/s): Powerful airflow, perfect for stubborn dust on car surfaces or PC components.
The device provides a powerful blowing force of 130g in maximum mode, ensuring quick and effective dust elimination without liquid projection, protecting your electronic devices.

Image: The EUKI DE-X3MINI-FR demonstrating its powerful 130g blowing force on a scale, with the three speed settings and their corresponding RPM and wind speeds listed below.

Image: Visual representation of the three speed settings (130,000 RPM, 70,000 RPM, 30,000 RPM) and their recommended uses, such as car cleaning, keyboard cleaning, and pet hair drying.
Versatile Applications
This air duster is suitable for a wide range of cleaning tasks:
- Electronic Cleaning: Keyboards, computers, camera lenses.
- Home Cleaning: Air conditioner blades, window and door tracks, corners, fans.
- Automotive Cleaning: Dusting car interiors, clearing water/snow from mirrors.
- Outdoor Use: Lighting fires, inflating mattresses, blowing leaves, or for personal cooling.

Image: A collage showing the EUKI DE-X3MINI-FR being used in various scenarios: cleaning a PC, a sofa, window tracks, blowing leaves, starting a campfire, and clearing snow from a car.
8. Maintenance
To ensure the longevity and optimal performance of your EUKI DE-X3MINI-FR air duster:
- Regularly clean the exterior of the device with a soft, dry cloth.
- Ensure the air inlet and outlet are free from obstructions.
- Store the device in a cool, dry place when not in use.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on | Low battery or no charge | Charge the device fully using a 5V2A adapter. |
| Weak airflow | Low battery or obstructed air inlet/outlet | Recharge the device. Check and clear any obstructions from the air inlet or nozzle. |
| Nozzle detaches during use | Nozzle not securely locked | Ensure the nozzle is twisted and locked firmly into place. |
| Device overheats | Prolonged use or blocked ventilation | Allow the device to cool down. Ensure air inlets are not blocked. The device has automatic overheat protection. |
10. Specifications
| Feature | Detail |
|---|---|
| Model Number | DE-X3MINI-FR |
| Brand | EUKI |
| Motor Speed | Up to 130,000 RPM |
| Battery Capacity | 5000mAh |
| Battery Life (1st Speed) | Up to 4 hours |
| Weight | 205 grams |
| Dimensions | 131 x 86 x 37 mm |
| Charging Port | USB Type-C |
| Safety Features | Overheat, overcharge, short-circuit protection; auto-shutdown after 3 mins inactivity. |
11. Warranty and Support
EUKI is committed to providing excellent customer service and product reliability.
- 30-Day Return Policy: You may return or exchange the product within 30 days without reason.
- 360-Day Replacement: Replacements and accessories are available within 360 days of purchase.
- Lifetime After-Sales Service: We offer lifetime after-sales support for every customer.
- Transparency Verified: Each item has a unique code verified before shipment.
For any inquiries or support, please contact us at: support@euki.cn

Image: Graphic detailing EUKI's customer support: 24-hour response, 30-day return, 360-day replacement, and lifetime after-sales service.

