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: Retailer
- ID: B0FDQDQCV3
- batteries: 1 A batteries required. (included)
- Waterproof: IP68
- Item Weight: 3.52 ounces
- Compatibility: Android 4.4 / iOS 8.4 or above
- Package Dimensions: 3.66 x 3.58 x 1.26 inches
- First listed by seller: July 17, 2025
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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| Brand | Duobuy | Twievo | EOGBM | Herz | Herz | Wuzutech |
| Model | Smart Ring | Smart Ring | P1 | P1 | P1 | |
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| Price | €47.18 | €61.18 | €87.40 | €52.44 | €52.44 | €52.44 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 6, 2026 | Mar 21, 2026 | Mar 21, 2026 | Apr 29, 2026 | May 8, 2026 | May 6, 2026 |
| batteries | 1 A batteries required. (included) | 1 Lithium Metal batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | |
| Waterproof | IP68 | 5ATM | 5ATM | 5ATM | Yes | |
| Item Weight | 3.52 ounces | 1 Milligrams | 1.58 ounces | 0.07 Kilograms | 2.39 ounces | |
| Package Dimensions | 3.66 x 3.58 x 1.26 inches | 3 x 3 x 2.65 inches | 3 x 3 x 2 inches | 3 x 3 x 2 inches | ||
| Battery Life | 4-6 days on a 1.5-hour charge, Up to half a month on standby | 6 days or 15 days of standby | 6 days or 15 days of standby | 6 days | ||
Reviews
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