Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Oura Ring 4 Black matte, size 10 Smart Ring
Available offers (16)
Current
Black matte, size 10
re:Store
RUB 30,990.00
Available to order
Price history by offer
Volatility: High
Gold, size 8
0%
RUB 40,040.88
RUB 28,004.54 — RUB 40,040.88
Silver, size 8
-38.5%
RUB 17,228.01
RUB 17,228.01 — RUB 28,004.54
Silver, size 10
-35.2%
RUB 18,134.75
RUB 18,134.75 — RUB 28,004.54
Silver, size 9
-1.1%
RUB 27,682.77
RUB 19,980.32 — RUB 28,004.54
Silver, size 11
0%
RUB 28,004.54
RUB 19,980.32 — RUB 28,004.54
Black, size 11
0%
RUB 28,004.54
RUB 19,980.32 — RUB 28,004.54
Features
- Tracks sleep, activity, stress, heart health, menstrual cycle, and more
- Battery life of 5-8 days
- Water-resistant up to 328 ft
- Made of hypoallergenic titanium
- Bluetooth Low Energy connectivity
- Integrates with over 40 apps
General specs
- Brand: Oura
- Model: Ring 4
- Seller: re:Store
- ID: 4653512
- Size: 10
- Weight: 0.116, 0.183
- Material: Titanium
- Battery Life: 5–8 d
- Connectivity: Bluetooth
- Charging Time: 0.33, 1.33
- Charging Method: Magnetic
- OS Compatibility: iOS, Android
- Water Resistance: 100 m
- First listed by seller: January 7, 2026
- Compare the Rings: Oura 4 or Galaxy? Comparison with: Samsung SM-Q509NZDAXAR Titanium Gold Sizing kit for accurate fit
If you are interested in more details, you can find full information on the seller's page.
RUB 30,990.00
Last price update: 10/2/26
Available to order
Price History for seller re:Store
| Date | Price |
|---|---|
| 10/2/26 | RUB 30,990.00 |
| 1/7/26 | RUB 51,990.00 |
Shipping options
Delivery to 
Russia
Russia
Available
For the active professional who wants to optimize health without constant screen time, the Oura Ring 4 is your discreet wellness companion. While many fitness trackers focus on daily steps, this smart ring offers a unique perspective: it prioritizes recovery and readiness, helping you understand when to push hard or rest based on your body's signals. The ring's sensors detect subtle changes in heart rate variability overnight, so you wake up knowing if you're primed for a big meeting or need a lighter day.
With a battery that lasts 5-8 days, you can wear it continuously without worrying about daily charging. The hypoallergenic titanium design feels comfortable for all-day wear, and its water resistance up to 100 meters means it handles showers and workouts seamlessly. Integrated with over 40 apps and Alexa compatible, it syncs effortlessly with your routine. Experience personalized insights that adapt to your lifestyle, turning raw data into actionable health habits.
Similar products comparison
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|---|---|---|---|---|---|---|
Oura Ring 4 Black
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Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen
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SORNBEO B0F8HMRF8Z
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Smart Ring Health Tracker 24/7 Comfortable to Wear
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Smart Ring with Health and Fitness Tracking Gold No subscription fee
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Milavan TK20 Rose Gold
|
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| Brand | Oura | SARUNN ER | SORNBEO | Kuxlagz | FKGZJF | Milavan |
| Model | Ring 4 | B0F8HMRF8Z | TK20 | |||
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| Price | RUB 30,990.00 | RUB 1,271.04 | RUB 8,023.42 | RUB 5,616.15 | RUB 7,943.98 | RUB 8,023.42 |
| Seller | re:Store | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Oct 26, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | Apr 23, 2026 | May 20, 2026 |
| Size | 10 | 7 | 9 | 8 | 8 | |
| Weight | 0.116, 0.183 | 2 | 100 | 0.240625 | ||
| Material | Titanium | Titanium Alloy | Metal | |||
| Battery Life | 5–8 d | 5–7 d | 3–5 d | 3–5 d | 3–5 d | |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | |||
| Charging Time | 0.33, 1.33 | 1, 2 | 2 | 1, 2 | ||
| Charging Method | Magnetic | Magnetic | Magnetic | |||
| OS Compatibility | iOS, Android | Android, iOS | Android 5.0+, iOS | Android 4.4, iOS 8.4 | Android, iOS | |
| Water Resistance | 100 m | IP68 | IP68 | IP68 | ||
Oura Ring 4 Black
RUB 30,990.00
When this device makes sense
Product confidence
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