Duobuy Smart Ring Health Rings for Women Men, Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Tracker, Step Tracker, No Subscription Fee, IP68 Waterproof for iPhone & Android: Intelligent Sleep Tracker
Ever wished your health stats could just, you know, follow you around? Well, now they can. Meet the Smart Health Ring—your new 24/7 health buddy. It's not just counting steps; it's keeping tabs on your heart rate, blood oxygen, and even your blood pressure, giving you the lowdown on your body's inner workings in real time.
And let's talk about sleep. Because who doesn't want to wake up feeling like they've actually rested? With intelligent sleep tracking, this little ring figures out your sleep quirks so you can finally get some quality shut-eye. Plus, it's got your back (and legs, and arms) with multiple sport modes. Whether you're sprinting, spinning, or striking a downward dog, it's game on.
- No sneaky subscriptions here—what you see is what you get, forever.
- Battery life? A solid 5 days, and if you're the forgetful type, the charging case has got you covered for up to 60 days. (Yeah, we were impressed too.)
- Plays nice with Android 4.4 and iOS 8.4 or newer. So, unless your phone's a relic, you're golden.
Home, gym, or somewhere in between—your health's always in the loop with the Smart Health Ring. No excuses now, right?
Features
- 24-hour health monitoring
- Activity tracker with multiple sport modes
- No subscription fees
- Long battery life
- Easy to charge and wide compatibility
- Intelligent Sleep Tracker
General specs
- Brand: Duobuy
- Model: Smart Ring
- Seller: Amazon
- ID: B0F38FTZKY
- package_dimensions: 3.03 x 2.95 x 1.85 inches
- item_weight: 3.84 ounces
- batteries: 1 A batteries required. (included)
- memory_storage_capacity: 128 MB
- First listed by seller: 5/11/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Amazon
| Date | Price |
|---|---|
| 6/27/25 | $69.97 |
| 5/11/25 | $69.98 |
Shipping options
Video Reviews
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
|
Duobuy Smart Ring Intelligent Sleep Tracker
|
Smart Health Monitoring Watch 1.43-inch AMOLED Display
|
Smart Health Monitoring Watch 1.49inch AMOLED Display
|
HD Screen Bluetooth Smart Watch Bluetooth Call
|
1.73-inch AMOLED Display Smart Watch ECG Micro Examination
|
AI Intelligent Voice Bluetooth Call Smart Watch Bluetooth call functionality
|
|
| Brand | Duobuy | |||||
| Model | Smart Ring | ET480 | E800 | ET570 | ET475 | F207R |
| Color | ||||||
| Rating |
|
|
|
|
|
|
| Price | $69.97 | $50.54 | $50.04 | $50.54 | $60.66 | $40.44 |
| Seller | Amazon | Banggood | Banggood | Banggood | Banggood | Banggood |
| Update | June 27, 2025 | December 9, 2025 | December 9, 2025 | December 9, 2025 | December 9, 2025 | December 9, 2025 |
| Bluetooth Version | BT5.2 | BLE5.0 | BT5.0 | 5.3 BLE | BLE5.3 | |
| Compatible OS | Android 4.4 and above, Apple IOS 8.2 and above | Android 6.0 and above, Apple IOS 11.0 and above | Android 4.4 and above, Apple IOS 8.2 and above | Android 8.0 and above, Apple IOS 12.0 and above | Android 4.4 and above, Apple IOS 9.0 and above | |
| Operating Mode | Full Touch | Full Touch | Full Touch | Full Touch | ||
| System Language | Chinese, English, Japanese, Russian, German, Spanish, Italian, French, Portuguese | Chinese, English, Traditional, Japanese, French, German, Italy, Korean, Portuguese, Spanish, Polish, Russian | Chinese, Traditional Chinese, English, Japanese, Korean, Russian, German, Spanish, Italian, French, Portuguese, Polish, Czech | |||
| Waterproof | IP68 | IP68 | IP68 | |||
| Screen Size | 1.43 inch | 1.49 inch | 1.96 inch | 1.35 inch | ||
| Material | AMOLED | AMOLED | IPS TFT | |||
| Resolution | 466*466 pixels | 466*466 pixels | 360x360 pixels | 360x360 pixels | ||
| Battery Capacity | 300mAh | 350mAh | 340mAh | 280mAh | ||
| Standby Time | About 20-25 days | About 30-40 days | About 20 days | About 20-25 days | ||
| Using Time | About 4-7 days | About 3-7 days | About 5-7 days | |||
| Charging Time | About 2-3 hours | About 3-4 hours | About 2-3 hours | |||