Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
UouNeaCo R18-008 3MB Storage Vintage Smart Ring
Available offers (2)
Current
—
3MB Storage
Retailer
€38.17
Available to order
—
Retailer
€34.52
Available to order
Price history by offer
Volatility: HighFeatures
- Vintage enamel design
- Sleep tracking with professional analysis
- Pro fitness tracker with multiple sports modes
- 5-7 day battery with rapid charging
- Body monitor ring with family care mode
General specs
- Brand: UouNeaCo
- Model: R18-008
- Seller: Retailer
- ID: B0F6JMWKJ1
- batteries: 1 Lithium Polymer batteries required. (included)
- Item Weight: 3 Grams
- Country of Origin: China
- Package Dimensions: 3.22 x 3.14 x 1.14 inches
- Date First Available: April 26, 2025
- Memory Storage Capacity: 3 MB
- First listed by seller: June 9, 2025
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
Delivery to 
United States
United States
Available
Ready to take your wellness game to the next level? Meet our smart ring—where sleek design meets serious tech. It's not just a pretty face; this little powerhouse keeps tabs on your steps, calories, and how far you've wandered (because let's be honest, sometimes those steps add up in the most unexpected ways). Whether you're a gym rat or just dipping your toes into fitness, this ring's got your back.
Your Health, Around the Clock Ever wondered what your heart's up to at 2 AM? Now you can know. With real-time heart rate and blood pressure tracking, plus a sleep tracker that breaks down your z's into deep and light stages, you'll be optimizing your rest like a pro.
One Size Fits... Well, Almost Everyone We've got sizes to spare, ensuring a comfy fit for all-day wear. And yes, it plays nice with both iPhone and Android—no favoritism here.
More Than Just a Pretty Ring Beyond tracking every move (and nap), this slim, stylish piece is the ultimate health sidekick. From logging your daily hustle to keeping an eye on your heart and even judging your sleep (kidding, it's totally supportive), it's the smart ring that does it all without cramping your style.
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| Brand | UouNeaCo | Aichiken | lumthou | UniJethro | TIAZUUX | Rugsoul |
| Model | R18-008 | SR11M | Smart Ring | |||
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| Price | €38.17 | €58.72 | €80.08 | €35.59 | €53.39 | €61.40 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 14, 2026 | Mar 21, 2026 | Jun 24, 2026 | Mar 21, 2026 | May 3, 2026 | Mar 21, 2026 |
| batteries | 1 Lithium Polymer batteries required. (included) | 1 Lithium Ion batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | 3 AAA batteries required. | ||
| Item Weight | 3 Grams | 2.39 ounces | 2.9 Grams | 1 Ounces | ||
| Country of Origin | China | China | China | |||
| Package Dimensions | 3.22 x 3.14 x 1.14 inches | 3 x 3 x 1 inches | 3.54 x 3.15 x 1.49 inches | 1.57 x 1.18 x 0.79 inches | ||
| Date First Available | April 26, 2025 | April 2, 2025 | February 28, 2025 | |||
| Memory Storage Capacity | 3 MB | 4 MB | 64 MB | 64 MB | ||
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