Health Rings for Women Men, Fitness Tracker with Heart Rate,Blood Oxygen, Blood Pressure, Sleep Tracker, Step Tracker, No Subscription Fee, IP68 Waterproof Smart Ring for iphone & Android (Silver 7#)
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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:
Only 10 left in stock, order soon!
Arrives
Thursday, Aug 7
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Color: Silver
Size: 7#
Features
- Intelligent Sleep Tracker: Your favorite sleep tracker is now wrapped around your finger. this health rings for men women can also automatically monitor your sleep. Monitor your falling asleep, waking up time, sleep quality (deep sleep and light sleep) through graphs. You can view daily, weekly and monthly sleep data in the App, helping you better adjust your habits to improve your sleep quality. Fitness ring is so comfort, you wont even notice its there while it monitors your sleep.
- Track Your Health from Your Finger: This slim vital health ring for women men provides 24-hour blood oxygen, 24-hour heart rate and 24-hour blood pressure monitoring. You can conveniently view these real-time health indicators from your wrist any time, any where, and You can view daily, weekly and monthly health data in the App. Duobuy vital health ring for women provides you a more accurate monitoring information to help you explore a healthier lifestyle.
- Activity Tracker & Multiple Sport Modes: The fitness rings for men women automatically track your steps, calories burned and distance throughout the day. This smart ring has multiple sports modes such as running, cycling, skipping rope, walking, hiking, yoga, dancing, golf and more. Active these sport modes, you will get workout route, sport time, steps, heart rate, speeds, calories burned and distance from the App, to provide you with more effective exercise guidance.
- Long Battery Life: The Duobuy Smart Ring has a battery life of up to 3-5 days on a 2 hrs charge. We offer a free portable charging case with 400 mah battery, it can fully charge the smart ring for about 15 times, which greatly extending the usage time to 60 days. You can also charge the charging case, then you can use it to charge the smart ring 15 times again. Ideal for frequent business travelers and outdoor enthusiasts, ensuring continuous health monitoring no matter where you are.
- Easy to Charge and Wide Compatibility: Simply charge the smart rings for women men with a magnetic USB cable or the charging case. The smart rings for women men are compatible with Android 4.4 / iOS 8.4 or above smart phones. What you get includes: Duobuy smart ring *1, 400mah charging case*1, magnetic USB charge cable*1, type C charge cable(for charging the charge case)*1 and instruction*1. This ring tracker is a great gift for men and women.
Operating System: Android Wear 2.9
Special Feature: Sleep Monitor, Lightweight, Multisport Tracker, Slim Design, Activity Tracker
Connectivity Technology: Bluetooth
Battery Cell Composition: Lithium Ion
GPS: GPS Via Smartphone
Shape: Round
Brand: Duobuy
Model Name: Smart Ring
Style: Modern
Color: Silver
Package Dimensions: 3.07 x 2.95 x 1.85 inches
Item Weight: 4.2 ounces
Batteries: 1 A batteries required. (included)
Date First Available: February 18, 2025
Manufacturer: Duobuy
Country of Origin: China
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Aug 7
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Gold
Size: 12#
The media could not be loaded. I bought the ring sizer first which helped me find the right size. I tried measuring, but couldn’t get consistent results. The actual ring fit perfectly. What I like the most is that the inside is coated with clear resin. I’m allergic to most metals. I’ve worn it about a week and had had no problems. The instructions come with a QR code that takes you to a link that downloads the app. You use the app and Bluetooth settings in your phone to connect the ring to the app. You can also connect it to other health apps, such as the health app on the iPhone. It is accurate enough in measuring steps, blood pressure, blood oxygen, pulse rate, and sleep. It is a little bulky, but not uncomfortable. And I can wear it when showering or doing dishes. I bought the gold one and it looks ok. Of course it doesn’t look like real gold, but that wasn’t my expectation. Overall, I like it a lot.
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Reviewed in the United States on February 25, 2025 by Kelly A. Kelly A.
First, proper fit is a must. You will need your ring to hug your finger, not tight or loose. A strip of stiff paper works more accurately in measuring my finger size as it puts realistic pressure of a real ring. If you use a thin string you will end up about 2 sizes too large. I had to return once because of this. This is critical because as with a real ring on your finger, your finger shrink and enlarge with changing temperature and water/moisture exposure. The ring is reasonably compact, about 2.7mm thick and 8mm wide. The inside is round and smooth with a clear epoxy resin coating covered all the electronics except the minimally exposed magnetic charging port, making wearing comfortable. Using this charging port as a marker, I wear the ring consistently with the flashing light towards the meaty inside of the finger. I found this gives me most accurate and consistent measurements. The heart rate (HR) measurements are accurate, always within 1-2 points compared to my medical -grade Omron bicep BP monitor. The BP measuring of this ring needs calibration. It means you have to take a blood pressure measurement with an inflatable cuff type BP monitor and enter this into the "health setting" in the blood pressure section of the app, for example 132/78 instead of the default 120/80. This sets a baseline for the ring to know your real blood pressure to make future measurements. After tweaking the numbers numerous times, I can get the ring to measure BP within 1-5 points compared to my Omron bicep BP monitor. But I guess the ring mostly use proportional extrapolation from the HR to calculate the BP, because it can't catch fast changes and spikes of BP not related to HR, so the BP monitoring is mostly good just to keep an eye on the steady state of your BP health. So beware. The battery life is very good bot not exceptional compared to more expensive alternatives, lasting 5-6 days when set to take measurements at 1 hour intervals, with some random manual readings thrown in by me. This is very good for the money. The charging box works as intended, latching on the ring with magnetic attachment. Sleep tracking is quite good, can detect REM (Rapid Eye Movements) and deep sleep phases, the most beneficial portions of sleep. It is accurate enough to detect my 5 minutes wake to use the bathroom before returning to sleep and recorded it. On the other hand, the total sleep time sometimes doesn't get updated in the app or until hours later, requiring a couple of restarts of the app/ Bluetooth connection to do so. Still some programming bugs to fix here. The black porcelain-like finish seems to hold up quite well and still smooth and shiny after more than a month of workplace uses (under gloves) while using hammer, pliers and power tools; also knocks and contacts while washing dishes and things barehanded, with barely scratches you have to really squint to see. This is good enough for me. Overall, if you're interested in starting to explore smart rings, this ring is really good value for your money.
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Reviewed in the United States on March 8, 2025 by Vinnie
I’ve gotten a couple of these rings off Amazon now, one for myself and one for my brother. I like them because they only turn on when they collect data at the time intervals you set. Other than that it isn’t on, which saves battery life and also it isn’t emitting any wireless signal other than when it’s synchronizing with the phone. I own a smart watch but I never wear it because I don’t like the constant wireless signal on my body. I feel fine wearing this ring and don’t notice when it’s taking vitals or connecting to my phone. It’s very comfortable and lightweight too, I wash my hands a lot and that hasn’t been a problem so far with the ring. It looks very nice also, and no one would notice it’s a smart ring except for when the green light is flashing when it’s taking vitals. I’ve also always wanted to see my sleep patterns and this ring makes it easy to do that. It’s very easy to connect it to the app, and the app itself works pretty well too. There are a few wording issues but I can still generally operate it well. If you’re looking to try a smart ring, for the price point this is a good place to start.
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Reviewed in the United States on January 16, 2025 by stacy renee stacy renee
I was really excited to try this smart ring, and it did not disappoint! It’s sleek, lightweight, and comfortable enough to wear all day. The health tracking features are surprisingly accurate, and syncing it with my phone was super easy. The battery life is solid, and I love not having to deal with a bulky smartwatch. If you want a stylish way to track your health, this ring is a great pick!
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Reviewed in the United States on February 15, 2025 by Madelyn R
The blood pressure measurements incorrect, and do not match professional measuring at the doctors office. Also, the heartbeat measurements are not correct and they’re much higher than the actual heartbeat. I hope the manufacturer will take time to contact me to discuss this discrepancies.
Reviewed in the United States on March 5, 2025 by Rafi Mense
Love this ring so far. BP is spot on. Plus I am able to check it without having to have a cuff on me all time. I’ve had issues with high BP and then got new meds that made it so low. My doctor wanted me to monitor it throughout the day and this is perfect. Hopefully this will continue to exceed expectations. I also have a smart watch and it’s pretty close to the same numbers so thank you!
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Reviewed in the United States on February 3, 2025 by Kristine W
Color: Gold
Size: 8#
I didnt order the sizer first and it is about 1 size too small. so maybe their 8 means 7 because it doesnt actually say SIZE 8 just #8. The app isnt as fancy as my bosses hers tells her when to stand up and when to drink water but her ring does not do Blood Pressure which is what i wanted most. I have low blood pressure and usually its okay but i started having alot of dizzy spells that my dr cannot replicate so i wanted to record my BP and heart rate and all that to see if it is a problem or not. 1st time reading BP it was spot on so pretty excited about it
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Reviewed in the United States on March 4, 2025 by Chrisy Elam