4WDKING Rechargeable Electrical Air Purifying User Manual

Instructions for Use

1. Charge the air purifier using the provided Micro USB cable. The battery should be fully charged before first use.
2. Attach the 5-ply non-woven mask to the round air supply port on the air purifier host.
3. Connect the vent pipe connector to the air supply port and the threaded silicone hose.
4. Attach the buckle to the air purifier host and secure it with the provided round stickers.
5. Connect the two hoses to the vent pipe connector and the air purifier host.
6. Choose between the arm band or forehead band to secure the air purifier host to your body. Adjust the band for a comfortable fit.
7. Turn on the air purifier by pressing the power button. Choose from low, medium, or high fan speed settings to adjust the airflow.
8. When the filter needs to be replaced, open the air purifier host and replace the HEPA filter paper with a new one.
9. Regularly clean the 5-ply non-woven mask and replace it when necessary.

Frequently Asked Questions (FAQ)

• Q: What is the difference between the plastic and aluminum versions of the air purifier?
  A: Both versions have the same function. The main differences are that the $70 version has a silver aluminum shell, while the $60 version has a white plastic shell. Additionally, due to customer feedback, the screw design of the aluminum version has been replaced with an easier-to-open design in the plastic version.
• Q: How can I get the instructions for the air purifier if they were not included in my package?
  A: You can contact [email protected] to request a PDF document with the instructions.
• Q: Is there a video or guide for replacing the filter in the air purifier?
  A: Yes, you can find a step-by-step filter replacement video at https://youtu.be/sYmDqwwQwm4
• Q: Are the filters for the 4WDKING unit available on Amazon?
  A: Yes, the filters are available on Amazon, though they may be backordered at times.
• Q: Can this air purifier filter air from other countries, such as China?
  A: Yes, the air purifier uses a HEPA filter that can filter 99.9% of PM2.5 particles in the air, effectively filtering air from any source.
• Q: Are these masks approved by the CDC?
  A: While not specifically listed by the CDC, the air purifier uses a HEPA filter rated at 99.97% filtration efficiency, which is higher than the filtration efficiency of surgical masks and simple KN95 or N95 masks.
• Q: Is there any gap between the mask and the air hose where the air hose connects to the mask?
  A: No, there is no gap between the mask and the air hose connection.
• Q: What is the difference between the $69 and $93 versions of the air purifier?
  A: Both versions are the same, but the $93 version includes 10 additional KN95 masks.
• Q: What sports can you play while wearing this air purifier?
  A: The air purifier is suitable for various activities, including running and other sports. However, the fan unit has some weight and bulk, so it may not be ideal for all sports. Adjust the mounting method to find the most comfortable fit for your activity.

Q: What is the 4WDKING Rechargeable Electrical Air Purifying, Reusable Portable Air Purifier with HEPA Filter used for?
A: The 4WDKING Rechargeable Electrical Air Purifying, Reusable Portable Air Purifier with HEPA Filter is used to purify the air you breathe. It is suitable for outdoor sports, housework, sleeping, and other activities.

Q: What are the advantages of this air purifier?
A: The advantages of this air purifier include high filtration efficiency, compact size, 3 fan speed modes, longer lifespan, and cost-effectiveness.

Q: What makes this air purifier special?
A: This air purifier has a unique ventilation design system to keep fresh air flowing, an innovative wave hole filter with large air volume and small wind resistance, uses imported Japan H13 high-efficiency filter PM2.5 99.9% filtration, and has a fan design that provides maximum air volume with low noise as low as 27DB.

Q: What is the battery life of this air purifier?
A: This air purifier has a lithium battery charging technology, 2000mAh lithium polymer battery, and a long-lasting battery life. It can be used for 8-10 hours with a full charge and has a larger battery capacity for longer working time.

Q: Is there a difference between the plastic and aluminum versions of this air purifier?
A: They have the same function. The main differences are that the silver aluminum shell is $70 and the white plastic shell is $60. Additionally, due to customer feedback, the screw design of the plastic version is canceled, which can be opened easily to replace the filter.

Q: Are these masks approved by the CDC?
A: The 4WDKING Rechargeable Electrical Air Purifying, Reusable Portable Air Purifier with HEPA Filter is not a mask and is not approved by the CDC. It is an air purifier that filters the air you breathe.

Q: How do I replace the filter on this air purifier?
A: You can watch a step-by-step filter replacement video on YouTube at https://youtu.be/sYmDqwwQwm4.

Q: What sports can I play while using this air purifier?
A: The ad implies running, but the fan is fairly bulky and has some weight to it. It may be more suitable for sports and fitness activities that do not require a lot of movement.