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๐ Own your health, stealthily and stylishly.
The OURA Ring 4 Stealth is a cutting-edge smart ring crafted from durable titanium, offering up to 8 days of battery life and advanced biometric tracking across 30+ health metrics. Designed for continuous 24/7 wear, it features water resistance and seamless Bluetooth connectivity, delivering personalized health insights through the Oura app. The included sizing kit ensures a perfect fit, making it the ultimate discreet wellness companion for professionals who demand precision and style.






















| ASIN | B0D9WVKWXN |
| Band Material Type | Titanium |
| Battery Average Life | 5 Days |
| Battery Capacity | 18 |
| Battery Cell Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Best Sellers Rank | #4,980 in Electronics ( See Top 100 in Electronics ) #7 in Rings |
| Box Contents | Battery |
| Brand Name | OURA |
| Colour | Stealth |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone, Tablet |
| Compatible Phone Models | Compatible with iOS and Android devices |
| Connectivity Technology | Bluetooth |
| Country of Origin | India |
| Customer Reviews | 4.1 out of 5 stars 7,158 Reviews |
| GPS | No GPS |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Touchscreen |
| Importer Contact Information | Rashi Peripherals Limited, A BLDG Survey 186 Dongripada, Poman Village Vasai Bhiwandi Road Palghar 401208 India. |
| Item Dimensions | 24 x 24 x 8 Millimeters |
| Item Type Name | Smart Ring |
| Item Weight Unit of Measure | 6.3 Ounces |
| Manufacturer | OURA, Oura Health OY Elektroniikkatie 10 Oulu Oulu 90590 Finland https://ouraring.com |
| Manufacturer Contact Information | Oura Health OY Elektroniikkatie 10 Oulu Oulu 90590 Finland https://ouraring.com |
| Metrics Measured | Sleep Duration, Heart Rate, Stress |
| Model Number | JZ90-54218-10 |
| Packer Contact Information | Oura Health OY Elektroniikkatie 10 Oulu Oulu 90590 Finland https://ouraring.com |
| Product Features | Sleep Monitor, Heart Rate Monitor, Activity Tracker, Stress Monitor |
| Shape | Round |
| Special Feature | Sleep Monitor, Heart Rate Monitor, Activity Tracker, Stress Monitor |
| Style Name | Metallic |
| Supported Application | Oura App |
| Unit Count | 1.00 Count |
| Warranty Description | 2 years warranty |
| Water Resistance Depth | 100 Metres |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Communication Standard | Bluetooth |
| Wireless Compability | Bluetooth |
D**Y
Go for it. Its definitely worth it.
Awesome product. Perfection in everything. Does not throw numbers and data and interpretations at you immediately. Comfortable to wear. Just make sure you have tried the sizing kit before hand for atleast 4 to 6 hours if not 24 hours. I am getting a battery life of 5 days plus.
X**Z
Must have smart ring
Amazing product. I was waiting to see the smart ring feedback. Great insight into fitness and sleep. Step count quite accurate. Battery easily last 5 to 6 days
S**H
No payment option for a plan in India
I am unable to take a plan as they donโt have a payment option for India. Called their HO and they are saying since itโs a recent launch in India - they too donโt know. Can someone help how were they able to take a plan in India ? I am in a IPhone
A**Y
Value for money
Good Ring. Value for money. battery life is very good. Good Comfort. Oura Ring 4 silver size 9 smart Ring.
N**N
Excellent product reviewing after 9 days
I wear the Size 11 Black Oura Ring 4 on my index finger. Fitbit models force a heavy, distracting screen onto your wrist during sleep. Samsung Galaxy Ring and Ultrahuman Air rely on protruding epoxy sensor domes that press into your skin. Oura Ring 4 eliminates these hardware flaws with a fully titanium inner shell and sensors recessed by 0.3mm. It weighs 5 grams and captures continuous, high-fidelity physiological data. Pros: โข Hardware: Full titanium inner and outer shell. The 18-path PPG sensors are recessed by 0.3mm, maintaining a flush fit with zero skin marking. โข Data Accuracy: Tracks continuous heart rate variability (HRV), blood oxygen (SpO2), and skin temperature deviations. You see the exact physiological data of physical fatigue or illness days before physical symptoms manifest. โข Battery & Charging: Runs for 8 days. The included dock pulls a standard 5V from my Apple dual-port charger, preventing thermal degradation of the internal lithium-polymer cell. โข Developer Access: The V2 API generates a Personal Access Token (PAT) to pull raw JSON biometric data directly into Xcode. Competitors strictly limit this level of raw data access. Cons: โข Monthly Fee: Requires a โน599 monthly subscription to process the continuous biometric graphs and sleep staging. The โน599 monthly fee covers the server-side algorithm processing and full API access. You easily spend โน599 on coffee in two days. This negligible amount gives you the most reliable piece of wearable hardware currently available. Fitbit, Samsung, and Ultrahuman fail to match this combination of flush hardware and raw API data access. Get this ring.
H**S
Very important: Read
Product is good. Happy to see it launched in India. Important: Goof up by Amazon Chennai as usual. Poor delivery and even poorer updates. Others like Croma seem to have no issues in delivering in Chennai.
S**L
Not satisfied
Not recommended by me and why I have to pay every month to see my data, if anyone has any idea let me know
A**R
Needs subscription
Dont buy it needs continuous membership to function well . Its a continuous money taking device. Waste of money. Nope.
M**.
Gesundheitsรผberwachung
Ich suchte eine Alternative zur Sportuhr / Smartwatch und wurde fรผndig. Der Ring macht nicht nur optisch etwas her, sondern liefert einem auch Daten รผber die eigene Gesundheit. Er ist ein guter Allrounder und macht einiges sichtbar, was man im Alltag doch gerne รผbergeht. Mit Hilfe des Ringes achte ich nun mehr auf Bewegung und Ruhezeiten. Die Auswertungen sind zudem hochinteressant. Ich kann den Ring jedem empfehlen der auf der Suche nach einem Gerรคt ist, welches den Fokus auf die Beobachtung der Gesundheit legt. Sollte der Schwerpunkt eher auf dem Sport liegen, wรผrde ich zu einer Smartwatch tendieren.
E**A
Muy bien
D**A
Nice
Delivery took longer than expected, but i am happy with the ring. It does exactly what they advertise. Its a nice to have.
A**K
I love it!
I don't like wearing wrist watches, so having a smart ring is PERFECT for me! I love how durable it is, it's easy to clean, and the app that comes with it is GREAT! The tracking on this thing is flawless and it uses light sensors to track my vitals, so it doesn't even feel like a smart device, just a regular ring! It also charges very quickly, so if I'm using the bathroom or taking a shower at home, I just pop it on the charger for 10-15 minutes and it's good for a few days! I only do it daily just to establish a good routine, and I have forgotten before and let the battery get low, but still haven't had the power die on me yet! I can see it being an issue for lifting weights since it's coated in stainless still and a little bulky, but otherwise very comfortable for other forms of exercise! I can also see it being a problem because of the red and green light sensors at night, it might be disruptive to light sleepers in a dark room, but I just keep my hands under my blankets or pillows, and I sleep just fine! It doesn't light up all the time, just periodically throughout the night. If the tiny lights at night might bother you, you can probably put a thick sock or a glove over your hand at night to block the light. I'm personally not inconvenienced by it at night, and I like that I can't feel anything when it checks my vitals (heart rate, blood oxygen, temperature, just to name a few). I wound up subscribing to the app anually because I really liked how easy it was to set up and how thorough its analysis was for my overall health. UPDATE: Recently I noticed the ring was draining too fast between charges and I actually needed to charge it everyday! I reached out to customer service via the app, they asked a few questions, and shipped me another one immediately! It was refurbished, not brand new, but it works like new and I would never have known the difference if they didn't tell me! I keep the old one as a backup just in case since they said I don't need to send it back. I basically haven't stopped wearing the Oura ring since I put it on, and I've used it on long walks, swimming (fully submerged in water), and for general daily activities and it works great! I wash it with soap and water when I wash my hands and take it off to give it an.wxtra good wipe down before popping it on the charger or putting it back on!
A**S
Top, je suis vraiment contente de mon achat.
Top, je suis vraiment contente de mon achat๐คฉ
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