Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Duobuy Smart Ring Black, size 6# Smart Health Ring
Features
- Intelligent sleep tracker
- 24-hour health monitoring
- Activity tracker with sport modes
- No subscription fees
- Long battery life
- Easy to charge
- Wide compatibility
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.
Price History for seller Retailer
Shipping options
Delivery to 
United Kingdom
United Kingdom
Available
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.
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| Brand | Duobuy | Twievo | EOGBM | Herz | Herz | Wuzutech |
| Model | Smart Ring | Smart Ring | P1 | P1 | P1 | |
| Rating |
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| Price | £40.85 | £52.97 | £75.68 | £45.40 | £45.40 | £45.40 |
| 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 | ||
Duobuy Smart Ring Intelligent sleep tracker
£40.85
When this device makes sense
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