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Negative Ion Bracelet Tourmaline-eRing (Green X 2pcs) 16cm/18cm/20cm (6.2"/7.0"/7.8")
P/N: TER-1-G
US$88.73
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.)
✓Made in Japan. 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)
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Product summary
- The Tourmaline-eRing bracelet generates negative ions without external force *1 by the patented technology.
- You only need to wear around the wrist/ankle.
- Many happy users!
- Some research shows that tourmaline increases alpha waves. Many users say "I feel so refreshed when I wake up.", "I fall asleep better.", "I can have a good sleep."
- Made in Japan
*2 This bracelet is stretchable, so it will fit you even if the bracelet size is almost the same as your wrist circumference. e.g. The 18cm model will fit you even if your wrist size is approximately 18cm.
*3 1 package contains 2 bracelets.
 | No need to take off when bathing or swimming in the sea |
Details
Proven and patented technology!
Tourmaline generates little amount of negative ions with no external pressure or friction.
The Tourmaline-eRing does generate negative ions without external force, which was made possible by the patented technology.
Many users are happy with this bracelet.
"I fall asleep better", "I can have a good sleep". Many happy users!
Some research shows that tourmaline increases alpha waves.
Many users say "I feel so refreshed when I wake up.", "I fall asleep better.", "I can have a good sleep.", Some users even report reduction of chronic pain and relief from stiffness in shoulder.
Careful with imitations!
Please be careful with cheap imitations.
Ours has "e-ring" mark embossed on it.
24 hours with you!
You only need to wear around the wrist/ankle.
You do not need to take it off when you bathe or shower.
If you have 4 or more eRings, both wrists and both ankles can enjoy negative ions!
Sizes are available in S, M and L.
Comparison with other tourmaline products
Tourmaline generates little amount of negative ions with no external pressure or friction.
Many tourmaline products such as bedclothes and underwears generate negative ions only while in use because external force is applied.
This bracelet generates negative ions by itself without such force.
Customer Reviews
Reviewed on 2026-03-29
I fall asleep easily and sleep well.
Reason(s) why I purchased from you: I am a repeat customer of the Tourmaline Ring.
Detailed review: When I wear it, I fall asleep easily and sleep well. I used to wrap a necklace three times around my wrist, but I bought a bracelet so that it does
Detailed review: When I wear it, I fall asleep easily and sleep well. I used to wrap a necklace three times around my wrist, but I bought a bracelet so that it does
Reviewed on 2025-12-20
I wear it 24 hours a day like a good-luck charm.
Reason(s) why I purchased from you: There were no other similar products.
Detailed review: I do not think it brings an immediate effect, but I wear it 24 hours a day like a good-luck charm. If it came in black or gray, I would want it. I think it
Detailed review: I do not think it brings an immediate effect, but I wear it 24 hours a day like a good-luck charm. If it came in black or gray, I would want it. I think it
Reviewed on 2025-01-11
I was troubled by a vague feeling of fatigue and by feeling cold, but thanks to this ring, they have become much lighter.
Reason(s) why I purchased from you: The explanation on the site was polite, and your service looked good.
Detailed review: I was troubled by a vague feeling of fatigue and by feeling cold, but thanks to this ring, they have become much lighter. I
Detailed review: I was troubled by a vague feeling of fatigue and by feeling cold, but thanks to this ring, they have become much lighter. I
Reviewed on 2015-06-15
It works. Thanks for making this product available!
Details about the effects: I have purchased a few of these, and every time I add one in the same area I feel the extra energy combining with the previous e-ring. Especially for being a postman when letters have to already be in the mailbox before I
Reviewed on 2016-09-12
We feel a lot better when we wear around the neck ,the wrist or the ankle.
Details about the effects: Tourmaline-eRing is very good ,we feel a lot better when we wear around the neck ,the wrist or the ankle ( no more pain ). Tourmaline products are excellent. My family love the Tourmaline -eRing. We ordered many times
Reviewed on 2019-04-06
I may be influenced by suggestion but I feel more comfortable when I am wearing it.
Reason(s) why I purchased from you: Your office is located in the same area as me.
Detailed review: I am disappointed because the actual color is different from the image found on your website. I was expecting a lighter color like sky blue. I may
Detailed review: I am disappointed because the actual color is different from the image found on your website. I was expecting a lighter color like sky blue. I may
Customer Reviews
Negative Ion Bracelet Tourmaline-eRing (Green X 2pcs) 16cm/18cm/20cm (6.2"/7.0"/7.8")
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Specifications
| P/N: TER-1-G | |
| Product name | Negative Ion Bracelet Tourmaline-eRing (Green X 2pcs) 16cm/18cm/20cm (6.2"/7.0"/7.8") |
| Color | Green |
| Length |
·S: approx. 16cm (6.2 inches) (stretchable)
·M: approx. 18cm (7.0 inches) (stretchable) ·L: approx. 20cm (7.8 inches) (stretchable) |
| Rubber diameter | approx. 3.35mm |
| Materials | Silicon rubber, Li-tourmaline powder |
| When bathing or swimming in the sea | No need to take off |
| Made in |
Japan
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| Limited Warranty | 2 years from the date of purchase |
| Package | Contains 2 pcs. Not sold separately! |
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| Categories of Bracelet |
 Titanium Bracelet
 Titanium & Germanium Bracelet
 Germanium Bracelet
 Tourmaline Bracelet
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What are Negative Ion Effects?
Effective Way to Take Negative Ions
What is Tourmaline?
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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) |