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AirTamer A310 | Personal Air Purifier Necklace
P/N: ATMR-3
US$149.99
FREE Shipping · No extra customs charges (local taxes excluded)
Payment: Credit/Debit card, PayPal
In stock. Ship in 3 days
Technical Supervisor & Quality Assurance
Masaharu Nemoto · Ion Trading (Universal Plan Co., Ltd.)
✓With 30+ years verifying our products, I personally check the performance and technical details shown on this page.
2-Year Warranty
We repair the product or replace it with a new one. All products are covered for two years.
Delivery by DHL/FedEx
US/SG 1-3 · Asia 1-5 · EU 2-5 · AU/NZ 2-5 · Others 2-6 days (just FYI)
Product Summary
- The AirTamer A310 removes airborne pollutants such as cigarette smoke, viruses, PM2.5, pollen, molds and dust mites from your personal space to provide you with clean air.
- Massive amount of negative ions produce beneficial effects on health.
- It weighs only 50g (1.7oz) and fits your palm, so you can wear it around your neck.
- The specially designed conductive lanyard helps you to absorb negative ions effectively. About 420,000 (pcs/cc) can be detected at 32cm(1ft) away.
- This small device has over 4x higher air purification capabilities than competing products. (a)
- Removes 98.9% of smoke particles in only 5 minutes (b), 99% of airborne viruses in a 0.2m3(7.0ft3) space in 32 minutes.
- We guarantee the performance as a specialist with 27 years experience in the negative ion industry.
- Many reviews say that it is good for virus protection and removes cigarette smoke.
- No maintenance is required and no noise disturbs you.
- It works for about 150 hours (6.25 days) once fully charged. Good for travel!
Outline specifications
| Coverage area | Breathing space |
| Reduction of cigarette smoke | 98.9% in 5 minutes (Standards used: ANSI/AHAM AC-1-2006) |
| Reduction of airborne viruses | 99% in 32 minutes (0.2m3(7.0ft3) space) |
| Negative ion count | ·Blowoff point: 2,000,000 (pcs/cc)+ ·32cm (1ft) away from ion blow off point: 420,000 (pcs/cc) |
| Power | USB |
| Battery charging time | 3 hours |
| Continuous operation hours | 150 hours (6.25 days) +/- depending on temperature and humidity |
| Dimensions | H85mmxW42mmXD22mm (H3.3"xW1.6"XD0.8") |
| Weight | 50g |
| Replaceable lanyard | No |
Video
Play time: 1:19/No sound with subtitles
- How can I clean the unit's exterior?
- What is the power supply?
- How long does it work once fully charged?
- Does it generate wind noise?
- Can you repair it if it does not generate negative ions after the warranty period expires?
Related products
Customer Reviews
Reviewed on 2026-01-07
I have been troubled by secondhand smoke from my heavy-smoker husband, but it has become easier to spend time next to him.
Reason(s) why I purchased from you: I was searching for products against secondhand cigarette smoke, and I found this product handled by your company. It seemed to have a good reputation, so I bought it immediately.
Detailed review: My husband is a
Detailed review: My husband is a
Reviewed on 2025-12-22
Breathing was hard because of the smell of cigarettes and so on from my neighbors. After using the product, breathing became easier.
Reason(s) why I purchased from you: I felt reassured after seeing the explanation of the warranty and service.
Detailed review: Breathing was hard because of the smell of cigarettes and so on from my neighbors. After using the product, breathing
Detailed review: Breathing was hard because of the smell of cigarettes and so on from my neighbors. After using the product, breathing
Reviewed on 2018-10-12
I immediately noticed a distinct difference in how easily i could breathe.
Purchase reason: I checked the prices on several websites, including the warranty coverage, of the AirTamer 315 and found that Ion Trading offered the best price and longer warranty (2 years instead of 1). The customer servcice of Ion Trading was
Reviewed on 2025-05-04
The weight does not bother me, and I am glad that it can be used for a long time on one charge.
Reason(s) why I purchased from you: I looked at many sites, and the reviews were good on every site.
Detailed review: First, I was surprised that shipping was fast. The weight does not bother me, and I am glad that it can be used for a long time on
Detailed review: First, I was surprised that shipping was fast. The weight does not bother me, and I am glad that it can be used for a long time on
Reviewed on 2021-07-06
I experience light breathing with chest plegm started to come out easily.
Purchase reason: I was looking for negative ion generator/air purifier on the net. I have seen that Ion has same with affordable price.
About effects: I bought two air tamer 310 negative ion generator for mine and my wife's use. My wife experienced
About effects: I bought two air tamer 310 negative ion generator for mine and my wife's use. My wife experienced
Reviewed on 2024-05-31
I can now sleep well.
Reason(s) why I purchased from you: Your explanation was more careful than any other site.
Detailed review: Since I started using the AirTamer, I can now sleep well. Maybe it is because I am taking in negative ions. I used to get out of breath when
Detailed review: Since I started using the AirTamer, I can now sleep well. Maybe it is because I am taking in negative ions. I used to get out of breath when
Customer Reviews
AirTamer A310 | Personal Air Purifier Necklace
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Removes airborne pollutants such as cigarette smoke, viruses, PM2.5, pollen, molds and dust mites
✔ High ion delivery capabilities to capture and remove airborne pollutants! Negative ions capture airborne pollutants such as cigarette smoke, viruses, PM2.5, pollen, molds and dust mites to remove them from the air. Air purifiers, which release negative ions, use this principle and they need to have enough ion delivery capabilities to perform as air purifiers. The AirTamer A310 has high ion delivery capabilities, so it delivers negative ions to your nose/mouth when you are wearing it around the neck. Thus, you can enjoy the purified air.
Removes 99% of airborne viruses in 32 min
The A310 removes 99% of airborne viruses in a 0.2m3(7.0ft3) space in 32 minutes.
- This result may vary under practical use conditions.
- Testing laboratory: Kitasato Research Center for Environmental Science
- Test report: KRCES - Bio. TEst Report No.2018_0273
- Test report issue date: 17 Jan 2019
- Test name: Evaluation test of inactivation efficacy of Portable air purifier "Air Tamer on airborne virus" (0.2m3 space)
- Test method: The device runs in an approx. 0.2m3 space. We referred to Anex D, "The evaluation test for removal efficacy on airborne virus" in Japan Electrical Manufacturers' Association standard JEM 1467 "household air cleaner" to evaluate the test result.
- Figure drawn by: Universal Plan Co., Ltd.
You can enjoy beneficial effects as negative ions reach you
✔ Air purification performance determined by ion delivery capabilities While many mobile air purifiers and ion generators are sold in the market, very few products can deliver ions to the destination.
You cannot enjoy beneficial effects if negative ions do not reach your mouth/nose. Very few users pay attention to this important factor. FYI: How far negative ions travel (How to Choose the Best Negative Ion Generator) ✔ As many as 420,000(pcs/cc) ions at 32cm away! You can enjoy beneficial effects at a distance away from the AirTamer as it has high ion delivery capabilities which ensure that a lot of negative ions reach the mouth/nose.
High air purification capabilities provided by the specially designed conductive lanyard!
Generally, a negative ion generator designed to be worn around the neck is not capable of producing a lot of ions due to the electrical characteristics.
The specially designed lanyard made of a conductive material helps the AirTamer A310 to generate a lot of ions and emit them into the air. This is why it has high air purification capabilities. FYI: Why does it have such high air purification capabilities?
✔ Performance guaranteed by a negative ion specialist with 27 years experience in the industry! We guarantee the performance as a specialist with 27 year experience in the negative ion industry. Actually, some of the products produced by other companies did not meet your requirements due to poor ion distribution. The AirTamer A310 has much higher air purification capabilities than competing products because ions reach you.
We highly recommend this model if wearing a mask does not work. It will surely remove airborne pollutants such as cigarette smoke, viruses, PM2.5, pollen, molds and dust mites. FYI: How far negative ions travel (How to Choose the Best Negative Ion Generator)
Wearing around the neck to enjoy the clean air at anytime and anywhere
✔ Massive ions to purify the air & Lightweight body to wear for long hours The AirTamer A310 is a mobile negative ion generator. It weighs only 50g (1.7oz). You can wear it around your neck. The lightweight body is good for long hours usage. About 420,000 (pcs/cc) negative ions can be detected at 32cm(1ft) away. You can enjoy the clean air at anytime and anywhere.
✔ Your personal air purifier outdoors, in the office or on an airplane It removes second-hand cigarette smoke, viruses, pollen and PM2.5 particles outdoors or in the office where you cannot install a stationary air purifier. You can also use it on an airplane where the air is often dirty.
The A310 is patented in Japan
The A310 is patented as "The rechargeable portable personal ion air cleaner" in Japan.
*Japan Pat #6637644 *Note: The A310 is designed by the U.S. FilterStream and manufactured in China factory.
Removes 98.9% of smoke particles in only 5 minutes, purifies the air over 4x faster than competing products
✔ Removes cigarette smoke particles 4x faster than competing products (*1)(*2) The graph below shows how 5 air purifiers remove cigarette smoke particles.
While the AirTamer A310 removes 98.9% of smoke particles in only 5 minutes, it takes others 20 minutes or longer to remove the same amount of particles.
Thus, the AirTamer A310 purifies the air over 4x faster than others. You can wear it around your neck and it removes cigarette smoke, viruses, PM2.5, pollen, molds and dust mites at anytime and anywhere.
Removes second-hand cigarette smoke to purify the air
✔ Removes second-hand cigarette smoke to purify the air The photos below show just after the bottles are filled with cigarette smoke and 30 seconds after that. A lot of smoke remains in the left bottle, while there is no smoke in the right bottle in which the AirTamer A310 is working. You can see through it as smoke has disappeared. (*)
There is no smoke at all inside the bottle. (*)
(*) It takes longer to remove smoke in a room which is much larger than the bottle.
Highly rated by many users!
Can be used in two ways at home, in the office and anywhere
1. Wear around the neck You can wear it around your neck. Please be sure to use the lanyard which comes with the generator for maximum performance.
Q: I am going to wear it around the neck and hide it under the shirt during work so that it cannot be seen by others. Does it affect the performance?
A: Yes, it does. We suggest you should wear it so that the blow off point is exposed to the air.
2. Place on a table/desk You can place it on a table/desk and use it as your personal air purifier. Negative ions can reach up to 1m +/- away from the device. i.e. You can absorb fewer ions than when wearing around the neck. Please be sure the lanyard makes direct contact with the table/desk for better ion distribution.
Comes with convenient/safety features
Indicator light
The indicator light on the back side of the body shows you if the device is working properly. The green light blinks when it is generating negative ions. The light does not turn on when it is not working properly or when the battery is flat.
Rechargeable via USB
It continues to work about 150 hours (6.25 days) after a 3 hour charge. The red light on the back side of the body blinks while being charged.
No wind, No noise, Low ozone concentration
You feel no wind and you hear almost no noise as this product does not have a built-in fan to blow off ions. You can use it in a crowded train.
While many negative ion generators produce a certain amount of ozone which is harmful to the human body, the AirTamer A310 produces less than 0.0001ppm ozone, which is well below the safety standard established by the Japanese Ministry of Health, Labour and Welfare.
Adjustable lanyard
You can adjust the length of the lanyard.
No EMI interference
The AirTamer A310 conforms to the FCC's (Federal Communications Commission) specifications Part 15 - Class B. This regulation sets exact limitations on the amount of electromagnetic interference (EMI) allowable from digital computing and other electronic devices when used in the home or a residential area.
High density negative ion generator & AirTamer A310 Combo - Great deal
We recommend our best selling high density negative ion generator "Medical Ion Mini" as well as the AirTamer A310 if you would like to enjoy more negative ion effects.Medical Ion Mini: The patented technology, "Air Ionization Electron Emission Method" generates a massive amount of negative ions while maximizing efficiency. This ensures that your room is filled with negative ions.
Cautions before use
- The conductive lanyard which comes with the AirTamer A310 plays an important role to generate negative ions effectively. The lanyard is conductive but it is safe to touch it.
- This product can be charged via USB. You can use a USB power adapter for Smartphones or a USB port of a PC. A USB power adapter is not included in the package.
* You need to get a USB power adapter by yourself. - Consult a doctor prior to using this product if you:
- are using a pacemaker
- are under 10 years of age
- have a history of respiratory problems or heart or lung disease
Q & A
1. How long is the life span of the AirTamer A310?
It will continue to work for about 2 years if you use it 24/7. Mathematically the life span will be about 6 years if you use it for 8 hours a day. Usually it will work longer. You can turn it off when not in use in order to extend the life span. Of course, you can continue to use it after the above-mentioned periods if it is working properly.
The negative ion emitter brush determine the life span. They become worn out as they generate negative ions.
2. How can I clean the unit's exterior?
*Note: Always allow the exterior to dry completely before turning your AirTamer A310 back on.
- Turn unit off.
- Gently wipe the exterior with a soft cloth moistened with warm water or mild detergents only. Do not use harsh solvents or chemicals for cleaning.
- Remove all moisture with a soft, dry cloth.
3. Does it need filters?
No, it does not.
4. Do I need to purchase any consumables on a regular basis?
No, you do not.
5. I have a pacemaker. Can I use this product?
You should consult a doctor before use. The AirTamer A310 may interfere with the pacemaker function.
6. Does this product produce ozone? If it does, is it harmful to the human body?
It produces less than 0.0001ppm ozone. It is not harmful at all.
7. Can I use this product in an airplane? I am afraid it may cause EMI interference.
This generator does not cause EMI interference. You can turn it on in an airplane. Electric appliances emit electromagnetic waves. The AirTamer A310 conforms to the FCC's (Federal Communications Commission) specifications Part 15 - Class B.
8. Is this product water-proof?
It is not. Please be careful especially when raining.
9. What is the power supply?
This product can be charged via USB. You can use a USB power adapter for Smartphones or a USB port of a PC.
Please note: A USB power adapter is not included in the package.
10. How long does it work once fully charged?
It continues to work about 150 hours (6.25 days) after a 3 hour charge.
11. Does this negative ion generator come with a warranty?
We offer 2 years warranty.
12. Can you repair it if it does not generate negative ions after the warranty period expires?
We can repair for a fee. This problem is often caused by worn-out negative ion emitter brush. If your generator needs repair or maintenance work, please contact us.
13. Why does it have such high air purification capabilities?
Specially designed conductive lanyard & High efficiency electrical charge process
We have measured ion counts of many mobile negative ion generators since 1996. Most of them generate fewer ions than the manufacturers claim. Some products generate no ion at all!
This is because it is hard for mobile generators to obtain a good grounding effect. A negative ion generator cannot convert electric power into negative ions effectively without good grounding.
The AirTamer has solved this technical problem. The specially designed conductive lanyard provides a good grounding effect and the high efficiency electrical charge process technology dramatically improves ion generation efficiency. This is why this product generates a lot of ions and has higher air purification capabilities than others.
14. Do I have to wear around the neck when in use?
You can place it close to the body instead of wearing around the neck. It generates fewer negative ions but you can still enjoy negative ion effects.
15. Does it generate wind noise?
No, it does not.
16. I often wear a flu mask. Are negative ions absorbed before reaching my nose/mouth?
We do not have exact data but it has been said that a certain amount of negative ions permeate through cloth. However, a lot of negative ions are absorbed by the mask. We suggest you should expose at least the nose to effectively take the negative ions generated by the AirTamer A310.
17. Will it protect the wearer from the effects of second-hand smoke?
It cannot remove cigarette smoke completely but we have received many reports that it helps.
18. Do all particles/waste/dust collect inside the machine?
No, they do not. They combine with negative ions and fall onto the floor.
19. Do negative ions have an effect on odors? My co-worker wears a very strong perfume will this device help remove the offensive smell?
The AirTamer A310 does not provide wider coverage. It will not remove the smell completely. If you are looking for a negative ion generator which provides wider coverage, the "Medical Ion Mini" is the option.
20. Is it true that no purifier can actually effectively remove industrial/transport pollution as the particles are too small?
The AirTamer A310 can remove small particles. Negative ions emitted by it and small particles combine together and fall onto the floor to remove the particles from the air.
21. What does pcs/cc stand for?
It stands for the number of negative ion molecules contained in 1cc.
22. What's the price if I buy two/bulk?
Please contact us if you are going to purchase 10 pcs or more as we can offer discounts.
Specifications
| P/N | ATMR-3 |
| Product name | AirTamer A310 | Personal Air Purifier Necklace |
| Negative ion generation method | Corona discharge |
| Material of ionizing electrode | Carbon |
| Negative ion count |
0cm(0ft): 2,000,000+ (pcs/cc)
16cm(0.5ft): 2,000,000+ (pcs/cc) 32cm(1ft): 420,000 (pcs/cc) |
| Ozone production | 0.0001ppm or less |
| Body color | Black |
| Body material | ABS resin |
| Weight | 50g (1.7oz) |
| Dimensions | H85mmxW42mmXD22mm (H3.3"xW1.6"XD0.8") |
| Internal power supply | Lithium-ion polymer battery (3.7V) |
| External power supply | USB |
| Charge via | USB |
| Battery charging time | 3 hours |
| Continuous operation hours | 150 hours (6.25 days) +/- depending on temperature and humidity |
| Ion generation indication | LED ("ON/OFF" Indicator) |
| Manufactured by | FilterStream |
| Accessories | Conductive lanyard, USB charging cable |
| Limited Warranty | 2 years from the date of purchase |
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| Categories of Ionizers/Negative Ion Generators |
 High Density
 Personal Use
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| Related categories of AirTamer A310 | Personal Air Purifier Necklace |
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Ion Trading
Universal Plan Co., Ltd.
107 Tachikawa-Lumiere, 3-5-1, Ichiban-cho, Tachikawa-city, Tokyo, 190-0033, Japan
Phone: +81-42-848-5311 Fax: +81-42-848-5148
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| Copyright (C) Universal Plan Co., Ltd. 1993-2026 Japanese Corporate Number: 1012802002452 (National Tax Agency Japan) |