RingConn Gen 2, World’s First Smart Ring with Sleep Apnea Monitoring
Quick take
RingConn Gen 2 is a lightweight smart ring built for sleep-first tracking, including sleep apnea related monitoring and overnight oxygen insights, with no app subscription fee. It is designed for all-day and all-night wear, with waterproof protection up to 100m and battery life up to about 10–12 days depending on ring size. The main catch is that fitness and step accuracy may not match what you get from a GPS wrist device, so it is best for sleep and daily wellness rather than replacing a dedicated workout tracker.
Pros and cons
Pros
- Sleep-focused monitoring includes sleep apnea related metrics (including AHI style data) plus overnight oxygen tracking.
- No subscription fees for the RingConn Smart Health Monitoring app.
- Comfort-first design, ultra-thin and about 2 grams (varies by size), made for wearing day and night.
- Up to 10–12 days of battery life (size dependent) and waterproof up to 100m.
- OTA updates support ongoing feature improvements.
Cons
- Fitness tracking accuracy for steps and workouts may not match wrist wearables that use GPS or advanced motion sensing.
- Ring sizing is not the same as standard U.S. ring sizing, so getting the fit right matters.
- Battery life can drop faster when you use it as a dedicated overnight apnea and oxygen tracker.
- Skin comfort varies by finger placement for some people.
What buyers think
Buyer feedback is most consistent around sleep and daily comfort. Many people use the ring specifically for sleep apnea related monitoring and report that the overnight oxygen and apnea metrics help them understand what is happening during sleep. Comfort is another recurring theme, with wearers describing it as easy to live with all day, including during sleep, and often switching fingers as needed for fit and skin sensitivity.
Battery life is generally seen as strong, and charging convenience comes up often. At the same time, some buyers note that if you lean on the ring heavily for night-time apnea and oxygen tracking, you may see shorter runtime than the headline range. Fitness tracking feedback is more mixed: some buyers feel the ring captures everyday activity well, while others say steps and workout detection can be off compared with trusted wrist trackers, especially those that include GPS.
Overall, buyer-review evidence supports RingConn Gen 2 as a sleep-first smart ring that prioritizes overnight insights and comfort, with more variable expectations for exercise accuracy.
Who this ring is best for
- You want sleep-first health tracking, including sleep apnea related monitoring and oxygen insights, in a form factor that is easy to wear overnight.
- You prefer no monthly subscription for the app features.
- You want a low-profile wearable for daily wear, workouts, and even swimming, thanks to its 100m water resistance.
- You care about battery convenience and prefer recharging only a few times per week rather than daily.
Who should avoid it
- You’re expecting it to replace a GPS wrist tracker for running and workout precision. Fitness and step accuracy can vary, and some buyers prefer what wrist devices measure with GPS.
- You do not want to think about sizing. RingConn uses its own sizing standard, so using a sizing kit is important to avoid a frustrating fit.
- You want long battery life no matter what. Heavy overnight use for apnea and oxygen style monitoring may reduce runtime for some people.
Key features that matter for buying
Sleep apnea monitoring and overnight oxygen insights
The headline value is sleep health tracking with sleep apnea monitoring, including AHI style information and real-time overnight insights. If your goal is to better understand sleep quality and oxygen-related changes during the night, the ring is built around that use case.
Day-to-day wellness metrics
Beyond sleep, it tracks activity, stress, heart rate, HRV, and blood oxygen saturation. It is also designed to support women’s health tracking (as described by the app suite), which can be a deciding factor if you want more than basic steps.
Battery life and charging approach
Battery life is listed at up to 10–12 days, and it can vary by ring size. If you treat it as an always-on sleep apnea and oxygen tracker, you may need to recharge more often than the maximum. The system also includes a smart charging case, which can extend total charge time based on usage.
Comfort and build
RingConn emphasizes an ultra-thin, ultra-light design (around 2 grams, varies by size), plus a durable feel intended for long-term daily wear. Some buyers also mention finger-specific irritation, and the ring can be moved to another finger if you find a better fit.
Water resistance for real life
With water resistance up to 100m, the ring is designed to handle showers, workouts, and swimming. This is a practical advantage if you do not want to remove your wearable for day-to-day activities.
Pros and cons, in plain terms
Buy it if you want an always-worn smart ring centered on sleep apnea and overnight oxygen style insights, paired with comfort and no subscription requirement. Skip it if your top priority is precise step counting or workout tracking that matches GPS wrist devices.
Ring sizing matters more than usual
This model uses sizing standards that can differ from common U.S. ring sizes. A sizing kit is designed to help you pick the most comfortable and accurate fit before ordering. Taking the time to match the correct size can also help reduce issues like slipping, pressure points, or skin irritation.
Price and availability
Check the current price and shipping details on Amazon, since pricing can vary by color and size.
FAQ
Does RingConn Gen 2 require a subscription?
No. It is designed to provide lifetime access to the feature suite in the RingConn Smart Health Monitoring app without subscription fees.
What sleep metrics does it track for sleep apnea?
It is built for sleep health tracking with sleep apnea monitoring and provides AHI style data and personalized sleep insights through the app.
How long does the battery last?
Battery life is rated up to about 10–12 days, and it can vary based on ring size. Battery may drain faster for people using it heavily for overnight oxygen and apnea monitoring.
Is it waterproof?
Yes, it is rated for water resistance up to 100 meters, which supports daily wear and swimming.
Is it accurate for steps and workouts?
Fitness tracking feedback is mixed. Some buyers find it captures everyday activity well, while others report step or workout detection that does not fully match their wrist trackers, especially those with GPS.
Does RingConn Gen 2 use normal ring sizes?
No, it uses its own sizing standard. Using the RingConn sizing kit is recommended so you select the correct size before purchasing.
Can you switch the ring to a different finger?
Yes. Some buyers move the ring between fingers to improve comfort or fit, as long as you still have a secure, comfortable sizing match.
Final verdict
RingConn Gen 2 is a strong pick for shoppers who want sleep apnea related monitoring and overnight oxygen insights in a comfortable, subscription-free smart ring that can be worn during everyday life and swimming. If your primary goal is workout and step precision on par with GPS wrist wearables, you may want to compare it against a wrist tracker first, because fitness accuracy can be less consistent for exercise detection.
Specifications
| Product Title | RingConn Gen 2, World’s First Smart Ring with Sleep Apnea Monitoring, No APP Subscription, 12-Day Battery Life, Stress/Heart Rate/Women's Health Tracker, Android & iOS Compatible (Gold, Size 8) |
|---|---|
| Category | Electronics > Wearable Technology > Rings |
| Brand | RingConn |
| Manufacturer | Guangdong Jiu Zhi Technology Co., Ltd. |
| Model Name | RingConn Gen 2 |
| Model Number | RCA-01 |
| Color | Royal Gold |
| Item Weight | 0.38 Kilograms |
| Operating System | Wear OS 3.0 |
| Additional Features | Activity Tracker |
| GPS Geotagging Functionality | No GPS |
| Band Material Type | Silicone |
| Case Material Type | Titanium |
| Water Resistance Level | Water Resistant |
| Sport Type | Multi-Sports, Running, Swimming, Walking, Yoga |
| Human Interface Input | Buttons |
| Supported Application | RingConn Smart Health Monitoring App, iOS & Android Compatible |
| Water Resistance Depth | 100 Meters |
| Controller Type | Android, iOS |
| Metrics Measured | Heart Rate, Stress, Sleep Duration |
| Closure Type | Magnetic |
| Shape | Round |
| Style Name | Minimalist |
| Connectivity Technology | Bluetooth |
| Wireless Compability | Bluetooth |
| Communication Feature | Bluetooth |
| Item Dimensions | 11.3 x 4.3 x 4.7 inches |
Available variants
Color
- Matte Black
- Rose Gold
- Future Silver
- Royal Gold
- White
Size
- 8
- 13
- 14
- 9
- 6
- 12
- 7
- 11
- 6-14
- 10
Recommended next
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.
ESR for MagSafe Sticker, MagSafe Ring, 2 Pack Metal Ring for Phone case, Universal Wireless Charger Conversion Kit
The ESR MagSafe metal ring kit is designed to add MagSafe compatibility to many phone cases so you can use MagSafe chargers and accessories. It relies on strong adhesive placement (not repositioning), and the main tradeoff is that removal can be difficult, especially on rough or textured cases.
Herz P1 Smart Ring for Women & Men
The Herz P1 is a budget-friendly smart ring that tracks sleep plus a wide set of wellness metrics (including SpO2, temperature, stress, and menstrual cycle). It aims to deliver up to 6 days of battery life and simple Bluetooth syncing with iOS and Android, but buyer feedback shows sleep tracking can be inconsistent and activity capture may drop off over time.