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Kuinha

Fitness Tracker,Smart Rings Health Heart Rate Ring with Blood Oxygen, Blood Pressure, Sleep Tracker, Step Tracker, No Subscription Fee, Gesture Control, IP68 Waterproof Health Fitness Ring

  • Based on 15 reviews
Condition: New
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$69.99 Why this price?

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As low as $11.67 / mo
  • – 6-month term
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30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: In Stock.
Fulfilled by Amazon
Arrives Thursday, Jun 26
Order within 52 minutes
Available payment plans shown during checkout

Recently Viewed

Color: Black


Size: 8#


Brand: Kuinha


Power Source: Battery Powered


Number of Batteries: 1 AAA batteries required. (included)


Color: Black


Included Components: Charging Case, Type-C Charge Cable, Instruction Manual, AAA Battery


Are Batteries Included: Yes


Manufacturer: Kuinha


Display Type: no display


Brand: ‎Kuinha


Power Source: ‎Battery Powered


Number of Batteries: ‎1 AAA batteries required. (included)


Color: ‎Black


Included Components: ‎Charging Case, Type-C Charge Cable, Instruction Manual, AAA Battery


Are Batteries Included: ‎Yes


Manufacturer: ‎Kuinha


Display Type: ‎no display


Item Package Dimensions L x W x H: ‎3.35 x 3.19 x 1.73 inches


Package Weight: ‎0.09 Kilograms


Brand Name: ‎Kuinha


Part Number: ‎006


Size: ‎8#


Date First Available: January 22, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Jun 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Nice fitness tracking ring
Color: Black Size: 6#
Fits true to size. I mostly use to track fitness - calories and steps. I don’t like have to wear my watch all the time. It’s looks nice and functions well. Seems to be pretty accurate and match my watch count on days I’ve worn both. Battery lasts several days and you really can’t beat the value.
Reviewed in the United States on March 18, 2025 by Robin
    • Works great!
Color: Black Size: 6#
I got this for my grandson. He is trying out for football and wanted an activity tracker. It's very easy to hook up with the app. And he thinks it's absolutely cool looking. So far it's held up to a teenager which isn't easy to do!
Reviewed in the United States on March 13, 2025 by Threeindianakids
    • Works well
This ring tracks sleep, heart rate, blood oxygen, and blood pressure. Got this for my husband because he was been very dizzy and we needed a good way to track some things. It also monitors steps and calories. I love the case it comes in to charge and he loves that it is not a big bulky watch. It is also waterproof so he doesn't have to worry about forgetting to take it off when he gets in the shower. ... show more
Reviewed in the United States on March 27, 2025 by Gillian Simon
    • Dont waste your money
Color: Black Size: 7#
I really wanted to love this. Unfortunately I have to send it back. It almost gave me a heart attack by making me think I had hypertension. So much to the point I had to have my blood pressure checked all to find out that the ring was off by 60 points. Furthermore it's calculating my steps incorrectly and it does not sync with my Samsung phone. The reviews for the app are absolutely horrible and I understand why. ... show more
Reviewed in the United States on March 19, 2025 by Shani Nicole
    • Metric Units
Color: Black Size: 7#
I haven't really had a chance to check this ring out for any length of time, but thought it would be good to mention that this ring measures things like weight, height, and temperature using the metric system. I did not find a way to change units to the English system. This can make things a bit difficult for us in the US. I'm surprised none of the other reviews mentioned this since they were all in the US. I'll update my review once I've had the chance to use the ring for a little while. ... show more
Reviewed in the United States on March 12, 2025 by Joelle
    • Ring Ring
Color: Black Size: 10#
Replacing an Oura that was lost.. great to track biometrics. Nice looking, wears well and fits true to size. Quick charging and holds a charge for at least a day.
Reviewed in the United States on March 14, 2025 by PF Orlando, FL
    • Works great
Color: Black Size: 8#
Review Image by Trevor Trevor
Review Image by Trevor Trevor
Review Image by Trevor Trevor
The media could not be loaded. This fitness tracker ring is an amazing piece of technology. What is amazing to me is how they managed to fit so much technology into a normal looking ring with smooth, modern styling. It isn’t in the least bit bulky. It is smooth, sleek and comfortable to wear. I can wear it during all my daily activities so I never miss a moment of tracking. The ectri app allows me to look at different metrics such as my sleep patterns, resting heart rate and steps. I can track my workouts and log several different health metrics. It has all the metrics I was looking for. I love that I can charge the ring on the go. It comes with a charging case that doesn’t have to be plugged in to charge, which is capable of charging the ring many times over. I only charge the ring once per week at a time that I find convenient and it still has plenty of charge left to be able to last longer. That is excellent compared to my watch that I have to remember to charge every 1-2 days. I really love this technology. It is really nice looking and a discrete way to track. ... show more
Reviewed in the United States on March 24, 2025 by Trevor Trevor
    • Nice to have your health data!
Color: Black Size: 8#
Review Image by Joseph Joseph
The ring fits true to size. The app is a little confusing at first, but once you figure it out it is easy. The charge holds for about 4 days for me and is quick to recharge. I think this is a good alternative to more expensive health rings.
Reviewed in the United States on March 7, 2025 by Joseph Joseph

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