Duobuy Smart Ring Smart Health Ring: Intelligent sleep tracker
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.
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
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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$69.98
Last price update: 7/17/25
Available to order
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Delivery to 
United States
United States
Available
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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 | |||
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