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, size 8 Smart Ring
Available offers (16)
Current
Black, size 8
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: 5-8 days
- Waterproof up to 328 feet
- Hypoallergenic titanium construction
- Integrates with over 40 apps
- Supports metric and imperial units
General specs
- Brand: Oura
- Model: Ring 4
- Seller: re:Store
- ID: 4653538
- Size: 8
- 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
- Bluetooth Version: Low Energy
- 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 43,990.00 |
Shipping options
Delivery to 
Russia
Russia
Available
For the active professional who wants to optimize health without constant device charging, the Oura Ring 4 offers seamless wellness tracking. It’s perfect for monitoring sleep quality and recovery after a tough workout or a stressful day.
This smart ring goes beyond basic fitness tracking to provide personalized insights for long-term health. The sensors detect subtle changes, like a slight dip in heart rate variability before you feel stressed, helping you adjust your routine proactively. With battery life lasting 5-8 days, you can wear it continuously without interruption, and it integrates with over 40 apps for a holistic view of your well-being.
Made from hypoallergenic titanium and waterproof up to 100 meters, it’s durable enough for daily wear. The Oura Membership program turns your data into actionable advice, supporting goals like better sleep or reduced stress. Experience a smarter way to care for your health with this discreet, powerful tool.
Similar products comparison
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Oura Ring 4 Black
|
SORNBEO B0F8HMRF8Z
|
Smart Ring with Health and Fitness Tracking Gold No subscription fee
|
Smart Health Ring Silver Heart rate and blood oxygen monitoring
|
Smart Ring Health Tracker 24/7 Comfortable to Wear
|
Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen
|
|
| Brand | Oura | SORNBEO | FKGZJF | REWSX | Kuxlagz | SARUNN ER |
| Color |
|
|
|
|
||
| Rating |
|
|
|
|
|
|
| Price | RUB 30,990.00 | RUB 8,023.42 | RUB 7,943.98 | RUB 4,572.20 | RUB 5,616.15 | RUB 1,271.04 |
| Seller | re:Store | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Oct 26, 2026 | Mar 21, 2026 | Apr 23, 2026 | Mar 30, 2026 | Mar 21, 2026 | Mar 21, 2026 |
| Size | 8 | 9 | 8 | 14 | 7 | |
| Weight | 0.116, 0.183 | 2 | 100 | 4 | ||
| Material | Titanium | Metal | Titanium Alloy | Titanium Alloy | ||
| Battery Life | 5–8 d | 3–5 d | 3–5 d | 3–5 d | 5–7 d | |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | ||
| Charging Time | 0.33, 1.33 | 1, 2 | 2 | 2 | ||
| Charging Method | Magnetic | Magnetic | Magnetic | Magnetic | ||
| OS Compatibility | iOS, Android | Android 5.0+, iOS | Android 4.4, iOS 8.4 | Android 4.4+, iOS 8.4+ | Android, iOS | |
| Water Resistance | 100 m | IP68 | IP68 | IP68 | IP68 | |
Oura Ring 4 Black
RUB 30,990.00
When this device makes sense
Product confidence
Reviews
There are no text reviews yet. If you have experience using this product, please leave a review. It will help other people decide whether this product is right for them.