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📏 Fit First, Flaunt Forever: Size Smart, Track Smarter!
The RingConn Gen 2 Sizing Kit offers 9 precise sizes (6-14) to ensure a perfect, sensor-optimized fit for the RingConn Smart Ring. Made from premium plastic, it helps you find your ideal snug fit on any finger, enhancing comfort and tracking accuracy. Designed exclusively for the RingConn Gen 2, this kit complements the ring’s aerospace-grade titanium build and scratch-resistant finish, empowering you to wear cutting-edge health tech with confidence and style.









| ASIN | B0DGFZ3VWP |
| Additional Features | Activity Tracker, Heart Rate Monitor |
| Age Range Description | Adult |
| Band Material Type | Plastic |
| Best Sellers Rank | #557 in Electronics ( See Top 100 in Electronics ) #5 in Smart Rings |
| Brand | RingConn |
| Built-In Media | Instruction Manual, RingConn Sizing Kit |
| Case Material Type | Plastic |
| Cellular Technology | 4G |
| Color | White |
| Communication Feature | Bluetooth |
| Compatible Devices | RingConn Gen 2 Smart Ring |
| Compatible Phone Models | Compatible with iOS and Android devices |
| Connectivity Technology | Bluetooth |
| Customer Reviews | 4.1 out of 5 stars 6,801 Reviews |
| Display Type | No Display |
| GPS | No GPS |
| GPS Geotagging Functionality | No GPS |
| Item Dimensions | 9.52 x 4.17 x 1.02 inches |
| Manufacturer | Guangdong Jiu Zhi Technology Co., Ltd. |
| Metrics Measured | Heart Rate, Blood Oxygen Monitor |
| Model Name | RingConn Gen 2 Sizing Kit |
| Model Number | SKR-02 |
| Operating System | RingConn Smart Ring |
| Shape | Round |
| Special Feature | Activity Tracker, Heart Rate Monitor |
| Style Name | Minimalist |
| Supported Application | Fitness Tracker |
| Target Audience | Unisex Adults |
| UPC | 810180160926 |
| Unit Count | 1 Count |
| Warranty Type | Limited |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IP68 |
| Wearable Computer Type | Smart Ring |
| Wireless Communication Standard | Bluetooth |
| Wireless Compability | Bluetooth |
| Wireless Provider | Unlocked |
B**R
Outstanding Fitness Tracker Ring - NO monthly subscriptions
Sold my Apple Watch for this ring. NO REGRETS! Tracks fitness, sleep, health metrics, etc. No monthly subscriptions. Great app interface, also works with Apple Health. I like that it's titanium, waterproof and very tough. 10+ days between charges! I was getting tired of always getting notifications on my watch & wanted to be able to wear a dress watch while still tracking my health. Rhis RingConn is probably one of the best values out there. What's not to like...
R**R
Company is engaged
Came upon Ring Conn in my research for a smart ring. Looked at the competitors extensively and found Ring Conn met and or exceeded what I was looking for. Essentially it checked all of the boxes. Ordered the Ring sizing kit that is available and pulled the trigger. I was pleases/satisfied with the rings function and it's interface with the app. (No subscriptions btw). About 8 months in, the battery began having issues with operating duration. I skeptically reached out to the company. What I was expecting and what transpired caught me by surprise. Their reply was speedy, concerned and action oriented. They asked a few questions and in a matter of days, a replacement Ring arrived complete with instructions to move data over and included return supplies. The replacement functions as intended and fit and finish is as new. Ring Conn's response and corrective action was engaged and thorough. Impressive and exceeded my expectations. My message to them is included as the entire process was top level. "I have received everything as expected and I believe i successfully disconnected the old ring from my info. I feel the replacement process went very well and exceeded my expectations. I would be happy to provide a review of the process or you could use this reply. There were no bumps or hiccups to complicate the process. I found everyone to be helpful and the goal seemed to be a positive problem free process. Which was successful. I appreciate your attention to the matter as if I was the only one that mattered. Thank you for your assistance and the goal was obvious. To make things right. You did!" I would not hesitate to conduct another transaction with them. All positive!
T**S
Love it way more than my Whoop
I switched from a Whoop, in part because it still wasn't totally comfortable sleeping with it on, and because the annual subscription was so expensive... I was originally waiting for the Ringconn Gen 3 to come out, but then I lost my Whoop charger on a plane, so I ended up grabbing the Gen 2... So happy I did! I may upgrade later, but honestly, the Ringconn Gen 2 is ticking all my boxes so far. It's super comfortable to wear, I normally wear it on my middle finger of my right hand (I'm left handed) but it also fits perfectly on my index finger, so I can switch it over if I get that soft soggy white ring rash, and just wear it for a few days on the other finger. The battery life is great, I just got into a routine of charging it on a Sunday afternoon while I'm chilling, and it only takes an hour or so to fully charge. It still has a few days charge left if I'm busy and don't get to do it on a Sunday, but I like the routine. I wear an Apple Watch Ultra for most of my fitness tracking, but the Rigconn actually picks up those short duration activities that the Apple Watch doesn't... spend 20-30 mins mixing and laying concrete or doing yard work, and Ringconn picks it up, while the Apple Watch typically won't. I also like that it's measuring the morning light exposure during the first hour after wake up... this one surprised me, but it's actually using it's sensors to detect the intensity and color of the light after you wake up... getting natural sunlight after you wake up helps depress melatonin production and improves wakefulness... it gives you a running measure of your wake up light exposure and differentiates between natural and artificial light! The app seems to be constantly improving. This was the one perceived weakness with Ringconn, but I can honestly say that I have seen clear signs that they are actively developing the app in the right direction, and also that they have been extremely responsive to user feedback... the responses to questions and feedback have been way more than canned or AI generated replies, they truly seem to welcome and respond to feedback. I love the no subscription model, and that they openly share data with Apple Health so it drives other apps as well if I want more specialized focus, but honestly, I think they are quietly building out their app in all the right areas, and I'm loving the platform. I have friends with other devices, and the Ringconn seems generally more compact and wearable than most I've seen. I'm so glad I switched, and I won't feel bad if I invest later in the Gen 3, but I don't feel like I'm missing anything now, so it will be because it offers something else I want, not because it fixes a gap in the current iteration!
B**E
No Subscription Required, But a New Update Removed All Functionality from the device.
Edit: Beware- Do Not Waste your Money! I ended up liking this device more than I first suspected. I got used to using the rings and found the sleep and other data easy to understand and correlate. I had decided to edit my review and give it 5 stars, despite the difficulties with the ring not accommodating my wheelchair use. That is, until yesterday. For some reason, the developers released an update that removed everything I loved about the device and replaced it with nothing useful. You can no longer tell when you were asleep or awake; there are no sleep-stage data graphs, and the graphic representation of movement disappeared as well. The smart ring became stupid with the speed of an update. I've sent feedback to the developer, but I don't expect a reasonable reply. I don't know why they removed all functionality from what was an excellent smart ring with easy-to-understand graphs and no subscription fees. As far as I can tell, they haven't added a subscription fee yet, but they've trashed the usefulness of a good device and replaced it with nothing. I wouldn't recommend this smart ring to anyone as it is currently non-functional. Hopefully, enough people will provide feedback, and the developers will consider returning the ring’s original functions and graphs. Pros I like the fit, color, and look of this smart ring. I did order the sizing kit. I suggest that anyone contemplating purchasing this ring try on the different sizes. I would have ordered the wrong size had I not tried the sizing kit first. It's more comfortable than I had expected. I am not used to wearing rings, and I expected it to be bulky and annoying, but a few hours after putting it on, I forgot it was there. I really like that there’s no subscription. The ring does an adequate job of monitoring sleep, heart rate, O2, and most other measurements. The battery life appears to be as advertised, which is a plus. I've found that most electronic devices advertise longer battery life than my experience shows, so it's refreshing to see that the developers of this device were honest in their advertising. I appreciate this, as I rarely encounter it in practice. Cons However, it has difficulty deciding how to categorize exercise. I am disabled and wheelchair bound. Apparently, there is no way to inform the program of this fact, which has it misunderstand my activity level. I would like to see an option added to the programming to accommodate people with physical disabilities, including those who use mobility devices such as canes, walkers, and wheelchairs. The most annoying thing about the app, however, is that the date is off by 1 day. I want a way to manually set the date, since it doesn't automatically adjust to the correct date. Another thing that slightly bothers me is that the sleep reports aren't as detailed as those from an Apple Watch or a Fitbit. I assume that’s because there's no subscription, but I could be wrong. Overall, there would need to be significant changes to earn more stars in my review. I haven't tried other smart rings, except for an inexpensive one I purchased some time ago that had a very short battery life and wasn't comparable to today’s smart rings. If the developers fixed the few issues I had with this ring, I would recommend it without reservation. But since I haven't tested it against the competition, I can say it's worth looking into for now. The time between charges is impressive, and it does have the benefit of no subscription fee. These two things alone make it worth looking into.
K**7
Mostly happy.
I've used it for a couple of weeks and generally like it, it mostly does what I want. I think it is pretty accurate as to sleep apnea assessment (ahi tends to correspond with cpap machine). I like the fact that it will also show SpO2. For me, it overestimates my step count. I made two trips from my bedroom to my kitchen, and it recorded 150 steps. It also recorded 48 steps before I got out of bed. In some instances, I think it is counting my hand movement when keyboarding with steps. I have a step counter on my phone (always in my pocket and I historically think it is pretty accurate) and that tends to show about 2/3 of the steps the Ring does. I like the stress assessment. I like the HRV information. I like the sleep quality assessment. It has a decent charge life (for me that's running about 7 days). It's probably the best value for the money of the non-subscription rings, but it does have limitations (for me).
L**U
Impressive Smart Ring with No Subscription Required
I've been extremely impressed with the RingConn Gen 2. It's lightweight, comfortable enough to wear all day and night, and provides an incredible amount of health information in such a small device. The sleep tracking, heart rate monitoring, stress insights, and battery life have all exceeded my expectations. One of the biggest advantages is that there are no ongoing app subscription fees. It's refreshing to buy a smart device and have full access to the features without paying a monthly charge. The battery lasts much longer than most wearable devices I've used, and the companion app is easy to navigate and provides clear, useful data. If you're looking for a discreet, comfortable, and feature-packed smart ring with outstanding battery life, this is an easy five-star recommendation.
H**A
my yellow gold Gen 2 ringconn is pretty, accurate, & anti-scratch!
Everything from its pretty aesthetics to its battery life to its functionality & accuracy is PHENOMENAL! It’s so slim & sleek (noticeably less bulky compared to the Oura Ring!) And it blends in with my other yellow gold jewelry! In over 6 mths the yellow gold color hasn’t tarnished or scratched off (like customer reviews say the oura ring does!) It truly IS waterproof! I never take it off when washing my hands or washing dishes & it still works great! I’m so impressed with how accurately it detects my sleep patterns, & it knows if I fell back asleep or took a nap! It also has everything I need for tracking my cycle (you can input notes & symptoms etc). I really purchased this ring because I wanted the BBT feature to track my ovulation, but it only reads your SKIN temp so it’s not as accurate as I’d hoped… Helpful “Find My” Feature: I misplaced my ring in the house the other day so I used the app to find it by sounding a beeping alert & lighting up/glowing blue! And the map on the app accurately showed exactly where in the house my ring was! It is so precise! The battery life is VERY LONG (8+ days!), and the charging time is SUPER QUICK! (like under 45 min!) And you don’t need to pay extra $ for the APP (unlike other competitors!) which is a big plus! Overall I am SO impressed with this fitness ring and I highly recommend! UPDATE: My mother in law wanted the silver GEN 2 ‘AIR’ for her birthday & she loves it so far! (see the pic of it on her pointer finger. It looks great on the same hand as her white gold wedding band!)
Y**W
Good but Battery not great.
The RingConn Gen 2 Smart Ring is an ultra-lightweight, impressively thin wearable that features a sleek design and highly accurate health data tracking, though the battery performance degrades noticeably after six months of daily use. ⭐⭐⭐ Accurate Data Tracking and Comfort, but Battery Degrades Fast Over Time "I was incredibly excited to buy the RingConn Gen 2, especially since it is the first smart ring to offer a dedicated sleep apnea monitoring feature. From a design standpoint, it is a triumph. It is unbelievably thin, lightweight, and so comfortable that I completely forget I am wearing it. I have also been deeply impressed by the tracking accuracy. Unlike other wearables, the step counter is spot-on, the sleep data aligns perfectly with my actual patterns, and the heart rate monitoring is incredibly reliable even during intense workouts. Unfortunately, the longevity of the battery leaves a lot to be desired. While it initially lasted well over a week on a single charge right out of the box, the battery performance has dropped off a cliff after just six months of daily wear. I am now lucky if I get three to four days of use before needing to pop it back into the charging case. It is a beautiful piece of hardware with fantastic, dependable software tracking, but the rapid battery degradation over time is a major disappointment for a premium device." ## Product Breakdown * Ultra-Thin Form Factor: Exceptionally slim and lightweight layout that offers maximum comfort for 24/7 continuous wear. * Highly Accurate Metrics: Delivers incredibly reliable sleep stage data, heart rate tracking, and precise step counting during daily activities. * Advanced Sleep Health: Introduces specialized sleep apnea screening metrics alongside standard blood oxygen measurements. * Noticeable Battery Degradation: Standalone battery life drops significantly after six months of continuous charging cycles, requiring much more frequent recharges. Verdict: An outstanding health tracker that sets a high standard for comfort and data accuracy, but is held back by disappointing long-term battery endurance. ------------------------------
C**O
Anello yes resistenza mmmmm
Gran bel anello si con funzioni davvero precise devo ammetterlo. Poi c'è da dire che è l'unico al mondo che monitora apnea notturna ok. Ma cavoli ho un'altro anello che fa solo pagamenti e biglietto da visita nfc, ma quello ha un materiale anti graffio ed è sempre lucido. Questo il primo giorno già a manipolare le chiavi di casa, e ce l'ho nell'anulare sinistro si è graffiato sotto il dito mah. Per un costo del genere mi aspettavo un materiale più resistente a dir la verità, per il resto mi sembra molto preciso sia l'ossigenazione che battiti ecc.
P**H
Excellent
Excellent
T**Q
Ringconn Sizing Kit was a big help
Excellent!
S**O
Si lo quieres para medir y devolver, olvídalo
Se tarda mucho en llegar y una vez que llega, te lo pruebas y dices “pues lo regreso, ahí dice que se puede” y si, se puede, pero lo que no sabes es que el envío corre por tu cuenta y amenos que quieras mandarlo por correos de México y darle la bendición, mejor olvídalo, que el envío sale más caro que el mismo producto. Ya tire el mío a la basura
S**I
Funziona !! Realmente ed è coerente !!
Mi ha sorpreso per la coerenza dei dati e la qualità del monitoraggio dell’OSA. Trovo molto coerenti i risultati misurati con la sensazione al risveglio. Nonostante un monitoraggio intenso la batteria riesce a durare 4/5 giorni.
Trustpilot
1 day ago
2 months ago