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.
- 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
- 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.
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Shipping options
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Comparison with similar products
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Duobuy Smart Ring Intelligent sleep tracker
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| Brand | Duobuy | Duobuy | Duobuy | Duobuy | Duobuy | Aichiken |
| Model | Smart Ring | Smart Ring | Smart Ring | Smart Ring | ||
| Color | ||||||
| Rating |
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| Price | $69.98 | $69.98 | $69.97 | $69.98 | $69.98 | $65.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | July 17, 2025 | June 26, 2025 | June 27, 2025 | June 29, 2025 | June 27, 2025 | June 27, 2025 |
| package_dimensions | 3.66 x 3.58 x 1.26 inches | 3.07 x 2.91 x 1.85 inches | 3.03 x 2.95 x 1.85 inches | 3.62 x 3.54 x 1.26 inches | 3.03 x 2.95 x 1.81 inches | 3 x 3 x 1 inches |
| item_weight | 3.52 ounces | 3.84 ounces | 3.84 ounces | 3.2 ounces | 3.84 ounces | 2.39 ounces |
| batteries | 1 A batteries required. (included) | 1 A batteries required. (included) | 1 A batteries required. (included) | 1 A batteries required. (included) | 1 A batteries required. (included) | 1 Lithium Ion batteries required. (included) |
| waterproof | IP68 | IP68 | IP68 | IP68 | ||
| memory_storage_capacity | 128 MB | 128 MB | 4 MB | |||
Aarav C.
Delhi
July 24, 2025
as a designer, i have a technical eye, so i was hoping this would be a precise tool, but in reality, it's more of a general guide than a professional device. i bought it as a gift for myself to keep tabs on health, but it falls short for serious monitoring. the sleep tracking gives some insights, but it's not detailed enough to rely on fully. on the plus side, it's lightweight and unobtrusive, and the charging case is compact for travel. overall, it's okay for casual use, but don't expect medical-grade accuracy. 😕
- Pros: to be honest, i quite liked that it slips on easily and stays on without any fuss, and the battery lasts long enough that i don't have to charge it often. it's handy for checking my heart rate and sleep patterns, and the waterproofing means i can wear it in the shower without worry.
- Cons: most likely, the accuracy isn't as reliable as i expected, especially for blood oxygen and heart rate variability, which can be off by a bit. the companion app feels a bit clunky and doesn't sync seamlessly with my phone at times, making it frustrating to review data.