JIANVNUI JIAHE02 Smart Ring: Heart rate, blood oxygen, HRV, and menstrual cycle tracking
This smart ring is for the active person who wants to understand their health without constant phone checks. Think of it as your personal wellness coach, not just a fitness tracker. It automatically logs your heart rate and blood oxygen while you work, giving you a clear picture of your daily stress and recovery.
The ring tracks sleep stages so you can adjust your routine for better rest. Its gesture control lets you snap photos during hikes without fumbling with your phone. You get all this with no subscription fees, making it a straightforward tool for long-term health management.
Features
- Sleep stage analysis and 128 sports modes
- Automatic blood pressure and heart rate monitoring
- IP68 waterproof for swimming and showering
- Gesture control for hands-free photo snapping
- No app subscription fees
- Sleek, lightweight unisex design with long battery life
- Heart rate, blood oxygen, HRV, and menstrual cycle tracking
General specs
- Brand: JIANVNUI
- Model: JIAHE02
- Seller: Amazon
- ID: B0FG7WT8ZG
- Size: 7
- Material: Metal
- Battery Life: 7–10 d
- Connectivity: Bluetooth
- Display Type: None
- Charging Method: Magnetic
- OS Compatibility: iOS, Android
- Storage Capacity: 128 MB
- Water Resistance: IP68
- First listed by seller: 1/14/26
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
#publicidad
$65.99
Last price update: 2/7/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
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| Brand | JIANVNUI | Nyweey | Tiantianka | Lemolf | Weylmd | FKGZJF |
| Model | JIAHE02 | B0FX9Y18HM | B0G2CZ7KZV | R6 | ||
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| Price | $65.99 | $59.98 | $59.98 | $37.99 | $29.80 | $59.98 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Feb 7, 2026 | Jan 21, 2026 | Feb 7, 2026 | Feb 7, 2026 | Jan 16, 2026 | Feb 7, 2026 |
| Size | 7 | 7 | 7 | 11 | 9 | 8 |
| Material | Metal | Titanium Alloy | Titanium Alloy | Metal | Metal | |
| Battery Life | 7–10 d | 5–7 d | 7–10 d | 7–10 d | 3–5 d | |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth |
| Display Type | None | None | None | None | ||
| Charging Method | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | |
| OS Compatibility | iOS, Android | Android, iOS | Android, iOS | Android, iOS | Android, iOS | Android 4.4, iOS 8.4 |
| Water Resistance | IP68 | IP68 | IP68 | IP68 | IP68 | IP68 |
JIANVNUI JIAHE02 Rose Gold
$65.99
Reviews
4.75
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