Introduction
Thank you for choosing the EUKI Compressed Air Duster X3-US. This electric air duster is designed for efficient and versatile cleaning, offering a powerful, cordless, and rechargeable solution for various applications. Please read this manual carefully before use to ensure proper operation and maintenance.
Package Contents
Upon unpacking, please verify that all items listed below are present and in good condition:
- EUKI Compressed Air Duster (X3-US) x 1
- Brush Nozzles x 8 (various types)
- Storage Bag x 1
- USB Type-C Charging Cable x 1
- User Manual x 1

Image: EUKI Compressed Air Duster X3-US with included accessories: main unit, various brush nozzles, storage bag, and USB-C charging cable.
Product Overview
The EUKI X3-US is a high-performance electric air duster designed for effective dust removal and drying. Its key features include:
- Powerful Airflow: Delivers up to 150,000 RPM with a maximum wind speed of 52 m/s and 180g blowing force.
- Adjustable Speed: Three distinct speed settings to suit different cleaning requirements.
- Cordless and Portable: Lightweight (315g) and compact design for easy handling and transport.
- Rechargeable Battery: Features a 6000 mAh battery with fast charging (up to 10W) and up to 100 minutes of use on a single charge (at lowest speed). Includes temperature, current, and short-circuit protection.
- Durable Construction: Made from lightweight composite materials with strong magnetic properties for the nozzle attachment and a non-slip handle.
- Eco-Friendly: A reusable alternative to traditional compressed air cans, reducing waste.

Image: Comparison of EUKI X3-US electric air duster versus traditional canned air, highlighting benefits like reusability and strong wind force.

Image: Diagram illustrating the high-efficiency motor of the EUKI X3-US, showing wind force in grams and RPM for each of the three gears.

Image: Image showing the compact size of the EUKI X3-US electric air duster compared to an iPhone 15, demonstrating its portability.
Setup
- Initial Charge: Before first use, fully charge the air duster. Connect the provided USB Type-C cable to the charging port on the device and to a 5V2A power adapter (not included). The battery indicator lights will show charging progress. A full charge takes approximately 2.5 hours.
- Attach Nozzle: Select the appropriate brush nozzle for your cleaning task. The nozzles attach magnetically to the air outlet. Ensure it is securely fastened before operation.

Image: High-performance battery details and charging methods for the EUKI X3-US.
Operating Instructions
- Power On/Off: Press and hold the power button for a few seconds to turn the device on or off.
- Adjusting Speed: Once powered on, short press the power button to cycle through the three available speed settings (1st Gear: 60,000 RPM, 2nd Gear: 90,000 RPM, 3rd Gear: 150,000 RPM). The indicator lights will show the current speed level.
- Cleaning Applications:
- Low Speed (1st Gear): Suitable for delicate items or light dust, such as pet hair drying or inflating small items.
- Medium Speed (2nd Gear): Ideal for general cleaning of keyboards, PC components, and other electronics.
- High Speed (3rd Gear): For stubborn dust, car interiors, outdoor debris like fallen leaves, or igniting charcoal fires.
- Nozzle Usage: Use the various brush nozzles to reach tight spaces or to gently dislodge dust before blowing it away. The magnetic attachment ensures easy swapping.

Image: Three-gear speed switch and recommended applications.

Image: Versatile applications of the EUKI X3-US for home, office, and outdoor cleaning.
Maintenance
- Cleaning the Device: Wipe the exterior of the air duster with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Nozzle Care: Clean the brush nozzles as needed. They can be rinsed with water and allowed to air dry completely before reattaching.
- Storage: Store the device and its accessories in the provided storage bag in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Recharge the device regularly, even if not in use for extended periods.

Image: Magnetic blowing cover for easy nozzle attachment.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Battery is depleted. | Charge the device fully using the provided USB Type-C cable and a 5V2A adapter. |
| Weak airflow. | Low battery or incorrect speed setting. | Recharge the battery. Ensure the device is set to a higher speed setting if more power is needed. |
| Nozzle detaches during use. | Nozzle not properly attached. | Ensure the nozzle is securely attached magnetically to the air outlet. |
| Device overheats. | Prolonged continuous use. | Allow the device to cool down before resuming use. Avoid blocking air vents. |
Specifications
| Feature | Detail |
|---|---|
| Model | X3-US |
| Brand | EUKI |
| Max Wind Speed | 52 m/s |
| Max Blowing Force | 180g (6.34 oz) |
| Max RPM | 150,000 RPM |
| Speed Settings | 3 (60,000 RPM, 90,000 RPM, 150,000 RPM) |
| Battery Capacity | 6000 mAh Lithium Ion |
| Working Voltage | 6-8.4V |
| Charging Time | Approx. 2.5 hours (with 10W charger) |
| Working Time | Up to 100 minutes (at 1st gear) |
| Device Dimensions | 143 x 93 x 39 mm (approx.) |
| Item Weight | 315 g (11.1 ounces) |
| Charging Port | USB Type-C |
| Manufacturer | EUKI (Shenzhen Yutu Technology Co., Ltd) |

Image: Technical specifications of the EUKI X3-US.
Safety Information
Please observe the following safety precautions to prevent injury or damage to the device:
- Do not point the air duster at eyes, face, or body parts of people or animals.
- Keep out of reach of children.
- Avoid overcharging the battery. Disconnect the charger once fully charged.
- Do not place the device near heat sources, open flames, or flammable materials.
- Do not immerse the device in water or expose it to excessive moisture.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
- Use only the provided USB Type-C cable for charging.
- Ensure proper ventilation during use to prevent overheating.
Warranty and Support
EUKI is committed to providing high-quality products and excellent customer service. Your EUKI Compressed Air Duster X3-US comes with the following:
- 30-Day Return/Exchange: Enjoy a 30-day period for returns or exchanges without specific reason.
- 360-Day Replacement: Replacement parts and accessories are available within 365 days of purchase.
- Lifetime After-Sales Service: Dedicated lifetime after-sales support for every customer.
- Responsive Support: Our customer service team is available 24 hours a day to respond to your inquiries and provide professional assistance.
For any questions, concerns, or support needs, please contact EUKI customer service through your purchase platform or visit the official EUKI store online.

Image: EUKI Customer Service and Warranty Information.

