Smart Ring for Women & Men, Health Tracker Ring with Heart Rate, Blood Oxygen,Blood Pressure, IP68 Waterproof Fitness Ring, Sleep Tracker for iPhone and Android, No APP Fee (Green, 6#)
Condition: New
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FREE 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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Tuesday, Mar 24
Color: Green
Size: 6#
Features
- Comprehensive health insights and activity analysisThis advanced smart ring has built-in optical sensors that automatically monitor heart rate, blood oxygen levels, blood pressure, and sleep analysis. It uses the SC7A20H accelerometer to track steps, calories burned, and distance. It is suitable for analyzing activities such as running, cycling, and yoga, and can be used as a dedicated fitness ring and health tracking ring.
- Extended Battery Performance & Durable DesignEngineered for longevity, the smart ring offers approximately 3-5 days of regular use and up to 7-10 days in standby mode. The IP68 rating helps protect against sweat and water immersion during hand washing.
- Ergonomic Design & Fashion ForwardThis health ring features a comfortable resin + stainless steel case and comes in a variety of sizes. It is designed for secure, comfortable all-day wear, making it a stylish smart ring for everyone.
- Remote Shooting and Friends FunctionThis app supports remote photo control, allowing you to easily capture beautiful moments. It also includes a health data sharing mode that allows you to share health data with others, making it an ideal gift choice for friends, couples, and family members.
- Product Contents and After-Sales ServiceYour purchase includes a smart ring, a dedicated charging cable, a quick start guide, and a silicone ring protector. We are committed to providing a high-quality wearable device experience without any app subscription fees. Our customer service team provides a 2-year warranty service for your peace of mind.
Operating System: Android, IOS
Memory Storage Capacity: 32 MB
Special Feature: Remote Photography, Family Care, Blood Pressure Monitor, Fitness and Activity Tracker, Blood Oxygen Monitor, Heart Rate Monitor, Sleep TrackerFitness and Activity Tracker, Sleep Tracker See more
Battery Capacity: 300 Milliamp Hours
Connectivity Technology: Bluetooth
Wireless Communication Standard: Bluetooth
Battery Cell Composition: Lithium Polymer
GPS: GPS Via Smartphone
Shape: Round
Brand: UniJethro
Package Dimensions: 3.5 x 3.5 x 2.5 inches
Item Weight: 3.2 ounces
Item model number: R11M
Batteries: 1 Lithium Polymer batteries required. (included)
Date First Available: August 23, 2025
Manufacturer: UniJethro
Item Weight: 0.2 Pounds
Memory Storage Capacity: 32 MB
Ram Memory Installed Size: 32 MB
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Mar 24
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.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Color: Silver
Size: 13#
Ring works perfectly. The battery lasts between 4-5 days and the ring itself is comfortable. The ap works well and measures your pulse, blood pressure, sleep and oxygen level. It appears to be fairly accurate given its taking measurements from your finger. I use it on my ring finger.
Reviewed in the United States on February 14, 2026 by Jeff
Color: Lavender Pink
Size: 10#
Great little tracker for the price. Shows me all the info I care about and it’s totally convenient to wear (much preferred to wearing a watch style). Just be careful with sizing I ordered a size 6 which is exactly the size for the finger I wanted to wear it on and it was too small. Not sure if it’s the ring design or a sizing issue but just take note before ordering you might want to upsize.
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Reviewed in the United States on March 13, 2026 by HeidiJ
Color: Silver
Size: 13#
I purchased this ring as it stated it takes blood pressure. However, I think it is making up the numbers. My diastolic is constantly ten points low, but the systolic is between 10-25 points too low, with no obvious metric as why it is not accurate. You also have to download a shady app to use this. Everything else seems fine; pulse is accurate, sleep monitoring and steps. It does look sharp too.
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Reviewed in the United States on February 12, 2026 by SenileLarry
Color: Silver
Size: 12#
Great idea but seems inaccurate in steps and sleep monitoring is erratic. Worst thing is the battery life seems to be 2 days. I can’t figure out how to get many advertised features such as temperature and glucose readings.
Reviewed in the United States on February 20, 2026 by Stephen Brickel
Color: Blue
Size: 7#
I don’t normally write reviews- but I just had to come back on here. It has minimal factors that it tracks, but I mainly use it for sleep tracking and heart rate during workouts. I wear it pretty constantly and have probably charged it once in the past week- so it’s safe to say that the battery lasts a while. It fits a little big on me, I tried to listen to other reviews when they said it runs small. It does NOT. The ring is subtle and pretty- but I will say it does scratch from normal wear. It comes with rubber covers in different colors, so I’d definitely recommend using those if you’re heavy on your hands. **The whole reason for me hyping this ring up is because I accidentally left it in my sweatpants when I threw them in the washer. I remembered literally after the cycle was done and just prayed that it would survive. It’s like it never happened and the ring is still tracking everything like it was before! Not sure if it’d survive the dryer- but I’m not going to test that out for myself.**
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Reviewed in the United States on February 5, 2026 by maggie
Color: Orange
Size: 9#
The sizing is so far off I’m now returning my 2nd try. If you use the measurements from the photos to size go up at least 2 sizes. I was supposed to be a size 8. It didn’t fit over my knuckle. I got a size 9 and it fits but it’s too tight to read anything. I’ll now order a size 10 and hope for the best. I ordered my husband 2 different sizes and the 2nd size fit thank god. I’m sick of returning these things. At least the shipping is fast. It is annoying I have to print a label for returns instead of being offered a QR code. This is my 2nd ring using this tracker app. I’ve lost weight so the 1st one is too loose now. About the app: it’s just meh okay it does track your steps and your blood pressure and sleep but it has a lot of glitches. There are some nights I know I’ve woken up at least 3 times gotten up and gone back to bed and it says I never woke up. There are other nights I’ve been in bed at 11pm woken up at 5 and gone back to bed and it says I only slept from 5-7am. The app is free, which is also a bonus. It’s the only thing keeping me from dropping a few hundred dollars on the expensive ring. I’m not paying for an app that will do what my Apple Watch does for free. My previous ring was the pretty white one with flowers. Until I lost weight it was doing great until recently. It stopped tracking accurately. Which I only had it about 3-4 months ago so I guess you get what you pay for with that model. Not sure how well the metal will last with scratching. I’ve seen the orange,green,silver and Black all in person and they all look beautiful. So style wise they are decent looking. They don’t look or feel cheap they feel well made. I took off a star because of the sizing. I don’t know how other people don’t return this more often.
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Reviewed in the United States on March 10, 2026 by Susan Susan
Color: Rose Gold
Size: 14#
I'm sure everyone considering a smart ring will be at least somewhat familiar with the Aura ring, which is crazy expensive, with a monthly bill as well. This ring is 1/10 the price with no monthly bill. Both rings will suffer from the same limitations. No real way to measure blood pressure from a ring so I ignore those readings. Blood oxygen and pulse work very good, considering the amount of movement I do, as well as the dirt that gets on my hands. It is likely waterproof as I regularly shower and wash my hands while wearing it. Where it really shines is sleep monitoring. It appears to accurately measure my sleep, figuring out light and deep sleep. It also monitors blood oxygen which is great for those of us who snore or have sleep apnea. The battery lasts a solid 4 days and it comes with a nice case with a built in battery to charge it. It also came with colored silicone covers. I'm pretty happy with it, although I'd be pretty pissed if I paid $400 plus a monthly fee for it.
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Reviewed in the United States on November 25, 2025 by C. Bailey C. Bailey