LG Wearable Air Purifier AP300A Series User Manual

  • Post last modified:April 30, 2023
  • Post category:LG


LG Wearable Air Purifier AP300A Series




Safety Messages
Your safety and the safety of others are very important.
We have provided many important safety messages in this manual and on your appliance. Always read and follow all safety messages.
These words mean:

LG-Wearable-Air-Purifier-AP300A-Series-3 WARNING: You may be killed or seriously injured if you do not follow instructions.

LG-Wearable-Air-Purifier-AP300A-Series-4 CUATION: You may be injured or cause damage to the product if you do not follow instructions.
All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you what may happen if the instructions are not followed.


LG-Wearable-Air-Purifier-AP300A-Series-5 WARNING: To reduce the risk of explosion, fire, death, electric shock, scalding or injury to persons when using this product, follow basic precautions, including the following:

While Using the Product

Avoid doing any of the following:

  • This product is an Air Purifier that protects the respiratory organs from harmful particulate substances such as yellow dust and fine dust. Do not use this product for other purposes.
  • Do not use the product in a poorly ventilated area where oxygen is not continually supplied.
  • To avoid the risk of infection, do not share the product with other users or transfer use to another person.
  • Do not use or charge the product when it is wet. If the product has been submerged, stop using the product and contact an LG Electronics Customer Information Center.
  • Do not use or store firearms, combustibles or inflammables near the product.
  • Do not disassemble or damage the product, battery or parts. Do not use the product if the product, battery or any part has been damaged.
  • Do not use disinfectants and/or sterilizers on any part of the product.
  • Do not exercise strenuously while wearing the product.

Observe all of the following:

  • If you experience respiratory discomfort while using the product, discontinue use and consult a physician, if needed.
  • This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety.
  • Children should be supervised to ensure that they do not play with the appliance.
  • Do not operate this product while driving.
  • If you detect a strange sound, a chemical or burning smell, or smoke coming from the appliance, discontinue use immediately, and contact an LG Electronics Customer Information Center.
  • Repair or immediately replace all power cords that have become frayed or otherwise damaged. Do not use a cord that shows cracks or abrasion damage along its length or at either end.
  • The appliance must only be supplied at safety extra low voltage corresponding to the marking on the appliance.
  • Do not allow foreign substances such as water, coffee, or soft drinks to enter the product.
  • Dispose of the packing materials safely so as to keep them out of the reach of children.

While Storing the Product

Avoid doing any of the following:

  • Do not place the product near a car window where it is exposed to direct sunlight or on top of an electric pad or heater.
  • Do not place the product near humid areas such as saunas, swimming pools, or bathrooms.
  • Do not store the product in a place where there is a lot of salt.

Battery Safety

Avoid doing any of the following:

  • This product uses an integrated battery. Do not separate or replace the battery. If the battery is faulty, the product and charging accessories should be replaced by an authorized LG service provider.



  • To reduce the risk of minor or moderate injury to persons, malfunction, or damage to the product or property when using this product, follow basic precautions, including the following:

While Using the Product

Avoid doing any of the following:

  • Do not use strong detergents or solvents to clean the product.
  • Do not wear the product in the rain.
  • Do not apply excessive impact to the product.

Observe all of the following:

  • Do not place obstacles around the air inlet of the product.
  • If you experience skin problems while using the product, stop using it and consult a doctor.




Appliance Overview

Front View


Rear View



Installing the Pure Care Filters


  1. Separate the filter cases from the product.
    1. Pull the filter cases at the spots marked in Figure 1 above to separate the
      cases from the product.
  2. Insert the PuriCare Filters into the filter cases with the arrow on the PuriCare Filters facing up.
  3. Align the filter cases with the grooves at the front of the product and press the cases in until they click into place.
    1. Make sure to align the filter cases correctly before reassembling. The LG
      PuriCare logo is on the right filter case.


  • Do not press the center of the PuriCare Filters too hard when installing the filter. Doing so may lead to the filter blocking the air inlet.
  • Pay attention to the direction indicated by the arrow on the filter when installing
    the PuriCare Filter. Otherwise, product performance may be degraded.

    • The horizontal or vertical direction of the PuriCare Filter does not affect
      product performance.
  • Ensure the product is turned off before replacing the filter.
  • Make sure that the PuriCare Filters are installed before using the product. Do not
    use the product without the filters in place.

Assembling the Face Guard

  • Insert the 2 hooks at the bottom of the face guard frame into the face guard.


  • Snap the tabs at the top of the face guard into the grooves at the top of the face
    guard frame. If assembled properly, the tabs should protrude slightly from the top
    of the frame.


  • Slide the two hooks at the bottom of the assembled face guard into the slots at the bottom of the product. Attach the 2 metal pieces at the top of the face guard to the magnets on the top of the product.


LG-Wearable-Air-Purifier-AP300A-Series-14 CAUTION:
If the face guard frame and the face guard are not assembled properly, the product performance may degrade due to leakage.

Installing the Inner Cover


  1. Remove 1 inner cover from the inner cover packaging.
  2. Align the inner cover with the top and bottom as shown, and insert it into the face guard.

Do not use the Air Purifier without the inner cover installed. Without the inner cover installed, moisture from your breath could enter the Air Purifier and cause it to fail.


Charging the Battery
This product has a built-in battery. Charge the battery fully before using the Air Purifier by connecting the USB cable to an AC adapter.


  • The battery will begin charging when the USB cable is connected from the product to an electrical outlet. The charging status indicator is located on the Power button.
Indicator light color/status Description
Green light Charging completed
Red light Charging in progress

Checking Remaining Battery Level
The LED indicators on the Power button show the remaining battery level.

Indicator light color/status Remaining battery level
Green light More than 70 %
Orange light Over 15 % ~ Below 70 %
Blinking red light Below 15 %
  • When the battery level is at 15 %, the product will chime 3 times twice.
    • If the fan speed indicator alarm coincides with the battery alarm, the fan speed alarm will sound first, followed by the battery alarm.
  • Only the charging status can be checked during charging.


  • The appliance must only be supplied at safety extra low voltage corresponding to the marking on the appliance from an AC adapter (5 V, 1.8 A). The AC adaptor should be purchased separately. Using an unapproved charger may cause failure or variation in the charging time.
  • This appliance contains batteries that are non-replaceable.
  • Charge the battery at temperatures ranging between 10 ℃ ~ 40 ℃. Charging the battery at temperatures outside this range may reduce battery life or increase the charging time, and charging may be suspended for safety reasons.
  • The recommended temperature range for operation is -20 °C ~ 50 °C. Operating outside of this range may shorten the run time and the battery life.
  • Charging from the USB port in a vehicle or computer may be slower or cause product failure.


  • It takes approximately 2 hours for a full charge.
  • With a fully charged battery, the run time for the product is approximately 4 hours in High, 6 hours in Medium, and 8 hours in Low.
  • Charging times and run times may vary depending on the condition of the battery and the product.
  • The run time of the product will decrease gradually over the useful life of the battery. Eventually, the battery will need to be replaced.
  • The product ships with the battery not fully charged. Charge the battery fully before using the product for the first time.


Turning Product On and Adjusting Fan Speed


Press the Power button to turn the product on. Change the fan speed to suit your requirements.

  • Press the Power button once to turn the product on with the fan speed set to Low. Press the Power button repeatedly to adjust the fan speed from Low > Medium > High > Off.
  • When the fan speed is changed, chimes sound to indicate each level.
    • Low (1 chime): Use while seated.
    • Medium (2 chimes): Use while walking at a normal rate.
    • High (3 chimes): Use while walking quickly.
    • Off (long chime)


If the product is not being used, it will turn off automatically after 30 seconds.

Wearing and Using the Product


  1. With the inside of the product facing you, the charging unit should be on the right side.
  2. Holding the product in place, slide the ear straps around your ears. Pull on the ends of the ear straps to adjust the length and keep the product in place over your nose and mouth.
  3. If you find the ear straps uncomfortable, use the strap extender to reduce the tension around your ears.
    1. Attach the strap extender so that the LG PuriCare logo and the hooks face out.
    2. Adjust the ear straps as needed to keep the Air Purifier comfortably
      in place.
  4. Press the Power button to operate the Air Purifier.


  • Before wearing the Air Purifier, check the battery status. Refer to Checking Remaining Battery Level for details.
  • If the inner cover is dirty, replace it with a new one. Refer to Installing the Inner Cover for details.
  • If the face guard is dirty, wash it. Refer to Maintaining the Face Guard for details.
  • When you are not using the product, store it in the portable pouch.
  • If you are not going to use the product for an extended period of time, separate the charging cable from the product before storing.
  • You can purchase a new face guard, face guard frame, strap extender and ear straps by calling an LG Electronics Customer Information Center or visiting the www.lg.com website


Filter Replacement



  • Do not wash the filter with water. Doing so damages the filter.
  • The filter replacement period may vary depending on the operating environment.
  • Purchase new filters by calling an LG Electronics Customer Information Center or visiting the www.lg.com website.

Maintaining the Face Guard

Separating the Face Guard


Separate the face guard frame from the product by pulling on the top of the face guard.
Cleaning the Face Guard

  1. Separate the face guard and the face guard frame after separating them from the product. Wipe them with a swab or soft cloth soaked in alcohol, or rinse them in clean water.
    1. Use a mild detergent if needed for stubborn soil.
  2. Dry the face guard completely after cleaning and reassemble it on the Air Purifier.


If the face guard becomes stained by cosmetics, wipe it with a tissue and wash it with clean water immediately after use.

  • Stains from some cosmetics may be difficult or impossible to remove even if the face guard is washed immediately after use.


  • The face guard and face guard frame may be disassembled for easier cleaning. See Assembling the Face Guard for instructions.
  • For best results, clean the face guard after each use.

Cleaning the Product


Use a soft, damp cloth to wipe the surface of the product clean.

  • Do not allow water to get inside the product. Doing so could cause product failure, fire, or electric shock.

Cleaning the Exhaust Unit


Wipe the exhaust unit with a cotton swab soaked with water or alcohol and then wipe it dry using a dry cotton swab.

  • For best results, clean the exhaust unit after each use.

Maintaining the Ear Straps

Replacing the Ear Straps


  1. Fold the ear straps and ear strap hooks toward the inside of the product. Lift one side of the ear strap hook up to separate the ear strap.
  2. To assemble new ear straps, fold the ear strap hooks toward the inside of the product and slide the ends of the ear straps into the grooves in the ear strap hooks.

Cleaning the Ear Straps

  1. If the ear straps become dirty, separate them from the product and wash them in water and a mild detergent.
  2. Allow the ear straps to dry completely before reassembling.

LG-Wearable-Air-Purifier-AP300A-Series-22 CUATION

Do not expose the ear straps to direct sunlight for long periods (over 72 hours) or they can become discolored.

Washing the Portable Pouch

If the portable pouch becomes dirty, have it dry cleaned.

LG-Wearable-Air-Purifier-AP300A-Series-23 CUATION

Washing the portable pouch with water may damage its surface and cause deformation.


Symptoms Solution

The appliance does not operate.

•    The battery is discharged or needs to be replaced. See Charging the Battery.
•    The ambient temperature is too high or too low. Check the ambient temperature.

Fan is noisy even on the lowest speed.

•    The PuriCare Filters are clogged with dirt and need to be replaced. The filter replacement period may vary depending on the nature of particular operating environments.


The appliance does not charge.

•    The charger and the charging terminal are not connected. Reconnect the charger to the charging terminal.
•    There is foreign material on the charging terminal. Clean off the foreign material with a soft, dry cloth.
The product turns off earlier than expected. •    The battery is not fully charged. See Charging the Battery for instructions.




Abnormal smells ema- nate from the product.

•    The PuriCare Filters are dirty and need to be replaced. The frequency of filter replacement depends on the usage environment.

•    The inner cover is dirty and needs to be replaced.


•    The face guard needs to be cleaned.


Appearance and specifications may vary without notice in order to improve the quality of this product.



5 V     1.8 A (AC adapter) Built-in rechargeable battery
Rated power consumption 1.8 W
Dimensions (W*D*H) 156 mm × 63 mm × 110 mm
Recommended operating temperature range -20 ℃ ~ 50 ℃
Recommended operating humidity range 5 % ~ 95 %


(Typ) 860 mAh, 3.182 Wh
(Min) 820 mAh, 3.034 Wh



Operating time

(with a fully charged battery)

High Approximately 4 hours
Medium Approximately 6 hours
Low Approximately 8 hours
Charging time Approximately 2 hours
Recommended charging temperature 10 ℃ ~ 40 ℃
  • The charging and operating times of the product may vary depending on the operating status of the battery or the product.


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