Duobuy Smart Ring Smart Health Ring: Intelligent sleep tracker
Meet the Smart Health Ring—your new fitness buddy that slips right onto your finger, no strings (or subscriptions) attached. Whether you're a woman or a man, this little gadget keeps tabs on your heart rate, blood oxygen levels, HRV, and even how well you're sleeping. And yeah, it's IP68 waterproof, so go ahead, take it for a swim or just survive your morning shower with it.
Here's the lowdown on what it can do:
- Ever wondered why you're still tired after 8 hours of sleep? The automatic sleep tracking breaks it down for you, no guesswork needed.
- It's like having a personal health assistant that never clocks out—24/7 monitoring of all the important stuff.
- Whether you're lifting weights, running, or just pretending to exercise, it's got a mode for that.
- Battery life that lasts longer than your last diet? Check. Plus, the charging case is so portable, you'll forget it's in your bag.
- And yes, it plays nice with both iPhone and Android, because who has time for compatibility drama?
In short, it's the no-fuss way to keep your health in check, because let's face it, adulting is hard enough as it is.
Features
- 24-hour health monitoring
- Activity tracker with sport modes
- No subscription fees
- Long battery life
- Easy to charge
- Wide compatibility
- Intelligent sleep tracker
General specs
- Brand: Duobuy
- Model: Smart Ring
- Seller: Amazon
- ID: B0FDQDQCV3
- Package Dimensions: 3.66 x 3.58 x 1.26 inches
- Item Weight: 3.52 ounces
- batteries: 1 A batteries required. (included)
- Waterproof: IP68
- Compatibility: Android 4.4 / iOS 8.4 or above
- First listed by seller: 7/17/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
#publicidad
$59.98
$69.98
Last price update: 12/6/25
Out of stock
Price History for seller Amazon
| Date | Price |
|---|---|
| 12/6/25 | $59.98 |
| 7/17/25 | $69.98 |
Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | Duobuy | UXOXU | SARUNN ER | Generic | DustAway | |
| Model | Smart Ring | BJ02 | SR03 | |||
| Color | ||||||
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| Price | $59.98 | $29.97 | $22.80 | $5.88 | $27.99 | $39.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Dec 6, 2025 | Nov 9, 2025 | Dec 6, 2025 | Dec 6, 2025 | Dec 6, 2025 | Dec 6, 2025 |
| Package Dimensions | 3.66 x 3.58 x 1.26 inches | 3.07 x 2.91 x 1.85 inches | 3.62 x 3.62 x 1.22 inches | 0.1 x 0.1 x 0.1 inches | 3.15 x 3.15 x 1.18 inches | |
| Item Weight | 3.52 ounces | 4 Grams | 3.2 ounces | 0.004 ounces | 3 Grams | |
| batteries | 1 A batteries required. (included) | 1 CR5 batteries required. (included) | 1 A batteries required. (included) | 1 9V batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | |
