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 (Rose Gold, 10#)
Quick take
This UniJethro smart ring is built for everyday health and fitness tracking, including heart rate, blood oxygen, sleep analysis, and blood pressure readings, with an IP68 waterproof design for daily wear. Battery life is rated around 5 days for typical use (longer in standby), and there is no app subscription fee listed. The biggest buying caveat is that sizing and app behavior can make-or-break the experience, so verify ring size and plan to manage app performance on your phone.
Pros and cons
Pros
- Optical sensors for heart rate, blood oxygen, blood pressure, and sleep tracking, plus step and activity metrics via accelerometer.
- Water resistance rated IP68, positioned for sweat and water exposure during daily routines.
- Designed for no-display, all-day comfort (lightweight resin plus stainless steel case).
- Charging is supported by a dedicated charging cable and a silicone ring protector (plus a charging case style setup).
Cons
- No display means you rely on the app for details, trends, and history.
- Review evidence suggests the app can freeze if your phone has many apps open, which may affect data syncing usability.
- Ring fit is important, and some buyers run into sizing issues (the ring may run small depending on your typical size).
What buyers think
Buyer-review evidence points to a generally comfortable, lightweight ring that can be worn during daily activities, including situations involving water exposure like hand washing. Setup and Bluetooth-style pairing with a smartphone are described as straightforward. Multiple users highlight the charging convenience (including a portable charging case/charging setup) and the value proposition of getting detailed health and activity readouts at a lower price point than more established smart ring brands. There is some concern about app stability, with at least one review mentioning app freezing when many apps are running. Overall buyer feedback is positive for comfort, day-to-day tracking usefulness, and battery longevity, but reliability of the app experience can vary by phone usage conditions.
What this smart ring tracks (and what “no display” means)
The ring is designed around optical sensing and movement tracking. It monitors heart rate and blood oxygen, and it includes sleep tracking and sleep pattern analysis. It also provides blood pressure readings, and uses an accelerometer (SC7A20H) to support fitness metrics like steps, calories burned, and distance.
Because there is no display, the ring is meant to be a passive tracker. That can be a plus if you want an unobtrusive ring, but it also means you will check progress, current stats, and history in the connected app.
Battery life and charging reality
Battery performance is listed as about 5 to 7 days of regular use, with up to 7 to 12 days in standby. That’s a practical range for a smart ring category, where you usually want to avoid daily charging.
For power top-ups, the box includes a charging cable and a charging case, plus a silicone ring protector. One recurring theme in feedback is that the charging setup is portable enough to bring along, which matters if you travel or prefer not to rely on wall outlets.
Water resistance and everyday wear
The ring is rated IP68 and described as waterproof for sweat and water immersion, with listing-level support for water exposure up to 100 meters. In day-to-day use, this is mainly about confidence during routines like workouts, hand washing, and general exposure to rain or water splashes. If you want a ring you will actually keep on, IP68 is a key feature to look for in this price tier.
App experience, syncing, and data sharing
The ring supports use with iPhone and Android (operating systems listed as Android and iOS). It can sync to fitness and activity services, including Apple Health (listing-level feature). It also supports “family care” and data sharing modes, and there is mention of a remote photo control function.
Buyer feedback is generally favorable about the app being easy to use and providing current and historical data. At the same time, there is at least one reported issue where the app may freeze when too many apps are open. If app stability matters to you, it helps to close background apps occasionally and keep your phone’s software up to date.
Comfort and fit, especially if you are coming from another smart ring
This is an ergonomic, modern-style ring with a resin plus stainless steel build and a lightweight feel (listed at about 3.5 grams). It’s aimed at both women and men, with multiple sizes available.
The main fit caveat is that sizing can be tricky. Some reviews mention that the ring may run small, and that a size mismatch can prevent a comfortable fit. If you are switching from a different ring brand, treat sizing as a priority, because the sensor position is affected by how the ring sits on your finger.
Who this smart ring is best for
- People who want all-day health and activity tracking in a ring, without a watch-style screen.
- Shoppers prioritizing sleep, heart rate, and blood oxygen, plus the convenience of blood pressure readings in one device.
- Buyers who want IP68 waterproof confidence for everyday wear and water-related routines.
- Value-focused shoppers who want to try smart ring tracking without targeting a premium price point.
Who should skip it
- If you need quick, on-ring readouts, you may feel limited by the lack of display.
- If you are very sensitive to app glitches or freezing, plan for some troubleshooting (like reducing background apps) and validate your phone compatibility before committing.
- If you are unsure about ring sizing and cannot confidently select your size, the experience may be frustrating.
Price and availability
Pricing varies by seller listing and color, so check the current cost and available sizes before ordering. The model is available through Amazon in the Rose Gold color mentioned here, and it is positioned as an affordable entry into smart ring tracking.
Our verdict: is this smart ring worth it?
UniJethro’s smart ring is a compelling option if you want a comfortable, lightweight ring that tracks sleep, heart rate, blood oxygen, and activity, while offering waterproof daily-wear confidence. The feature set is broad for the category, and buyers highlight comfort and practical charging as standouts. The two main reasons you might not love it are fit sensitivity and app behavior under heavy phone multitasking. If those are manageable for you, this ring can be a solid budget-friendly way to get ring-style health insights.
View latest price on Amazon
FAQ
Does this smart ring require an app subscription fee?
The product is positioned as having no app subscription fee.
Does the ring have a screen?
No, it has no display, so you review details and history in the app.
What health metrics does it track?
It is designed to monitor heart rate, blood oxygen, blood pressure, and sleep analysis, plus steps, calories burned, and distance.
Is it waterproof?
It is rated IP68 and is described as waterproof for daily exposure and water immersion up to the listing-level depth.
How long does the battery last?
Battery life is listed at approximately 5 to 7 days of regular use, with up to 7 to 12 days in standby mode.
Is it compatible with iPhone and Android?
Yes, it is listed as compatible with Android and iOS.
Are there any common downsides?
Buyer feedback highlights potential app freezing when multiple apps are open, and sizing can be tricky, so ensuring the right fit is important.
Specifications
| Product Title | 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 (Rose Gold, 10#) |
|---|---|
| Category | Electronics > Wearable Technology > Rings |
| Brand | UniJethro |
| Manufacturer | Unijethro |
| Model Name | R11M |
| Model Number | R11M |
| Color | Rose Gold |
| Item Weight | 3.5 Grams |
| Operating System | Android, IOS |
| Additional Features | Data can be synced to Apple Health, Fitness and Activity Tracker, Blood Oxygen Monitor, Heart Rate Monitor, Sleep TrackerFitness and Activity Tracker, Sleep Tracker, Remote Photography, Family Care, Blood Pressure Monitor |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Band Material Type | Resin, Stainless Steel |
| Water Resistance Level | Waterproof |
| Sport Type | Cycling, Diving, Fitness, Hiking, Multi-Sports |
| Supported Application | Fitness Tracker, Health Monitor, Camera |
| Water Resistance Depth | 100 Meters |
| Metrics Measured | Heart rate, sleep, sleep patterns, blood oxygen, blood pressure, wave-to-snap, family care |
| Shape | Round |
| Style Name | Modern |
| Battery Capacity | 300 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Battery Average Life | 5 days |
| Display Type | No Display |
| Memory Storage Capacity | 32 MB |
| Target Audience | Unisex Adults |
| Age Range Description | Adult |
| Built-In Media | Charging Cable, Charging Case, Ring Protector, Smart Ring, User Manual |
Available variants
Color
- Rose Gold
- Silver
- Green
- Blue
- Lavender Pink
- Gold
- Black
- Orange
Size
- 13#
- 14#
- 6#
- 7#
- 8#
- 12#
- 10#
- 9#
- 11#
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