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 (Gold, 7#)
Quick take
This UniJethro smart ring is built for everyday wear, combining activity and sleep tracking with health metrics like heart rate, blood oxygen, and blood pressure, plus an IP68 waterproof design. It aims to be a simple health ring without an app subscription fee, and multiple buyers highlight comfort and straightforward setup. The main things to watch are ring sizing (it can run small) and app behavior, where some users report occasional freezing when multitasking.
Pros and cons
Pros
- Tracks a core set of metrics, including heart rate, blood oxygen, blood pressure, and sleep (plus steps, calories, and distance).
- Designed for all-day comfort and a low-profile fit, with a resin + stainless steel build.
- Multi-day battery life (about 3-5 days regular use, up to 7-10 days standby) and IP68 water resistance for daily hygiene.
- Free app experience (no app subscription fee) and Bluetooth connectivity to iPhone and Android.
- Includes a charging cable and silicone ring protector for day-to-day use.
Cons
- Ring sizing may be tricky, with at least some buyers reporting it runs small.
- Some app responsiveness issues have been reported, including freezing when too many apps are open.
- No screen means you rely on the app for readouts and adjustments, which some buyers may not love.
What buyers think
Buyer-review evidence points to strong comfort and wearability. Several mentions describe the ring as lightweight, easy to live with during work and exercise, and holding up through everyday conditions. Setup and connectivity also come up positively, with buyers saying pairing is simple and the app provides current and historical views of activity and health data.
Performance themes are mostly about usable daily tracking, including steps and workouts, and practical battery life. There is also feedback on charging convenience, particularly the included charging approach. The main recurring caveat is limited app smoothness, with reports that the app can freeze under heavier multitasking. Sizing concerns appear in the form of buyers finding the ring smaller than expected when selecting their usual size.
Overall, buyer feedback supports this as an approachable health and fitness ring for everyday use, with the biggest potential friction being app behavior and getting the right fit.
What this smart ring tracks (and how it’s positioned)
This is a no-display smart ring meant to be worn continuously for a daily health baseline and activity monitoring. It combines optical sensing for key health metrics with motion tracking for workouts and movement.
- Health metrics: heart rate, blood oxygen, blood pressure, sleep analysis.
- Activity tracking: steps, calories burned, and distance, using an accelerometer (SC7A20H).
- Supported use cases: activity monitoring for things like running, cycling, and yoga, plus fitness-style day-to-day tracking.
- App-driven experience: it works with a dedicated app called SmartHealth, with Bluetooth connectivity to iPhone and Android.
Battery life and everyday durability
Battery performance is one of the more practical selling points for smart rings, and this model is rated for approximately 3-5 days of regular use and up to 7-10 days in standby. For buyers who want a ring they do not have to charge constantly, that range is aligned with typical smart-ring expectations.
On durability, it carries an IP68 water-resistance rating, with a stated depth of 5 meters for water protection. That makes it a reasonable fit for sweat-heavy days and day-to-day splashes or hand washing, without turning your routine into a careful ritual.
Comfort, design, and sizing
The ring is described as a modern, round style with a comfortable resin + stainless steel case, designed for secure, all-day wear. Multiple buyers specifically call out comfort and a secure fit for both men and women.
Still, sizing appears to be the biggest purchase-risk area. At least some buyers mention needing to size up because the ring runs small. If you’re between sizes or you’re sensitive to tightness, it’s worth being deliberate with sizing before you commit.
App experience, data, and key limitations
Because this ring has no display, all readings and trends come through the app. That’s normal for smart rings, but it does change how you interact with it day-to-day.
In terms of what buyers report, the app is viewed as easy to use, with current and historical data for activity and health. However, some feedback indicates the app can freeze if you have many apps open. If you tend to multitask heavily or keep lots of apps running in the background, plan for that possibility and consider closing other apps if you notice responsiveness issues.
Remote photo control and data sharing
Beyond health and fitness, this model includes features like remote photo control and health data sharing (family or friends). If you like the idea of involving a partner or family member in tracking trends, these social features can be a fun add-on. If you only care about personal health insights, you can treat these as optional extras.
Who this smart ring is best for
- People who want a lightweight, all-day wearable smart ring for daily activity and sleep.
- Buyers interested in basic health snapshots like heart rate, blood oxygen, and blood pressure trends.
- Shoppers who prefer a smart ring experience that does not add an app subscription fee.
- Anyone who wants water resistance for everyday hygiene and a battery life that reduces frequent charging.
Who should consider other options
- Those who struggle with smart-ring sizing and want fewer variables during purchase.
- People who demand a consistently smooth app experience, especially if they often multitask across many apps.
- Shoppers who expect on-ring quick glance info, because this model has no screen.
Verdict: is it worth buying?
If you’re shopping for an affordable smart ring focused on everyday comfort, sleep and activity tracking, and health metrics like heart rate and blood oxygen, this UniJethro ring is a strong value-oriented option. The biggest reasons to be cautious are the potential for tricky sizing and the possibility of app freezing under heavy multitasking. If you can handle those tradeoffs, it can work well as a practical fitness and health companion.
FAQs
Will this smart ring work with iPhone and Android?
Yes. It supports iOS and Android and connects via Bluetooth using the SmartHealth app.
Does this ring have a screen?
No. It is a no-display design, and you view metrics in the app.
How long does the battery last?
It’s rated for about 3-5 days with regular use, and up to 7-10 days in standby mode.
Is it waterproof?
It has an IP68 rating for water resistance (with a stated depth of 5 meters), which is suitable for sweat and everyday water exposure.
Does it require an app subscription?
The ring is positioned as having no app subscription fee.
Is sizing straightforward?
Sizing may require attention. Some buyers report the ring runs small, so it can help to double-check your size selection before ordering.
Are there any common app issues?
Some buyers report the app can freeze when too many apps are open, so closing background apps may help if you run into responsiveness problems.
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 (Gold, 7#) |
|---|---|
| Category | Electronics > Wearable Technology > Rings |
| Brand | UniJethro |
| Manufacturer | Unijethro |
| Model Name | R11M |
| Model Number | R11M |
| Color | Gold |
| Item Weight | 3.2 ounces |
| Operating System | Android, IOS |
| Additional Features | Remote Photography, Family Care, Blood Pressure Monitor, Fitness and Activity Tracker, Blood Oxygen Monitor, Heart Rate Monitor, Sleep TrackerFitness and Activity Tracker, Sleep Tracker |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Band Material Type | Stainless Steel |
| Water Resistance Level | Waterproof |
| Sport Type | Cycling, Diving, Fitness, Hiking, Multi-Sports |
| Supported Application | SmartHealth |
| Water Resistance Depth | 5 Meters |
| Controller Type | APP |
| Metrics Measured | Heart rate, sleep, sleep patterns, blood oxygen, blood pressure, wave-to-snap, family care |
| Closure Type | Continuous |
| Shape | Round |
| Style Name | Modern |
| Connectivity Technology | Bluetooth |
| Wireless Compability | Bluetooth |
| Communication Feature | Bluetooth |
| Display Type | No Display |
| Memory Storage Capacity | 32 MB |
| RAM Memory Installed | 64 MB |
Available variants
Color
- Rose Gold
- Silver
- Green
- Blue
- Lavender Pink
- Gold
- Black
- Orange
Size
- 13#
- 14#
- 6#
- 7#
- 8#
- 12#
- 10#
- 9#
- 11#
Recommended next
RingConn Gen 2, World’s First Smart Ring with Sleep Apnea Monitoring
RingConn Gen 2 is an ultra-thin smart ring aimed at people who want detailed sleep insights, including sleep apnea related metrics, without a monthly app subscription. It emphasizes comfort, long-ish battery life (size dependent), and waterproof daily wear, but it is not designed to replace wrist fitness wearables for every kind of workout or step accuracy.
RingConn Gen 2, World’s First Smart Ring with Sleep Apnea review
RingConn Gen 2 is a thin, subscription-free smart ring built for sleep-first health tracking, including sleep apnea and real-time AHI insights. It also tracks activity, heart rate, stress, and blood oxygen, with an app-based experience and a long (size-dependent) battery for multi-day wear, plus 100m water resistance.
SAMSUNG Galaxy Ring, AI Smart Ring, Size First w/Sizing Kit, review
Samsung’s Galaxy Ring is a lightweight titanium smart ring built for around-the-clock fitness and sleep tracking, designed to work with Android and the Samsung Health ecosystem. It’s positioned as a no-subscription option, but buyer reviews show the main tradeoff is reliability around battery performance over time for some users.
ZBNMY Smart Ring for Women Men, Fitness Tracker Ring with Free App No Subscription Fee (Black, Size 9)
The ZBNMY smart ring is a lightweight fitness and sleep tracker with continuous heart-rate and blood oxygen monitoring, activity tracking, and an IP68 waterproof design. It focuses on “no subscription fees” access to its app and aims for multi-day battery life using a magnetic charging case.