Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
BIEMHA VR11 Black, Size 10, 3-5 Day Battery Smart Ring
Available offers (5)
Current
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Black, Size 10, 3-5 Day Battery
Retailer
€53.50
Available to order
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Features
- Real-time accurate sleep and fitness monitoring
- Health monitoring with heart rate and blood pressure
- 3-5 day battery life
- 80-meter waterproof
- No app subscription required
- Check the size before purchase
General specs
- Brand: BIEMHA
- Model: VR11
- Seller: Retailer
- ID: B0FWJDR9WS
- Size: 10
- Battery Life: 3–5 d
- OS Compatibility: iOS, Android
- Water Resistance: IP68
- First listed by seller: December 9, 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 States
United States
Available
For the active professional who wants to track health without a bulky device, the BIEMHA Smart Ring offers discreet, all-day monitoring. It's perfect for someone who checks their phone for step counts during lunch or wonders about sleep quality after a restless night.
While many fitness trackers focus on workouts, this ring provides peace of mind through continuous health insights. The sensors measure your heart rate and blood pressure every 30 minutes, so you notice trends without constant checking. For example, the sleep data helped one user adjust their bedtime routine after seeing consistent light sleep patterns.
With no app subscription required, you access all features freely. The 3-5 day battery life means fewer charges, and the IP68 waterproof rating handles showers or swims. It's compatible with iOS and Android, making it easy to sync your health metrics and stay informed.
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Smart Ring with Health and Fitness Tracking Gold No subscription fee
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Tiantianka B0G2CZ7KZV Gold No subscription fees for lifetime access
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KppeX X1-11# Steel Nighttime sleep monitoring
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| Brand | BIEMHA | FKGZJF | REWSX | Tiantianka | Fvtga | KppeX |
| Model | VR11 | B0G2CZ7KZV | FT Ring | X1-11# | ||
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| Price | €53.50 | €88.29 | €50.82 | €31.01 | €32.99 | €124.85 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Mar 21, 2026 | Apr 23, 2026 | Mar 30, 2026 | Mar 21, 2026 | Apr 27, 2026 | Mar 21, 2026 |
| Size | 10 | 8 | 14 | 7 | 10 | 11 |
| Battery Life | 3–5 d | 3–5 d | 3–5 d | 7–10 d | 3–5 d | 3–5 d |
| OS Compatibility | iOS, Android | Android 4.4, iOS 8.4 | Android 4.4+, iOS 8.4+ | Android, iOS | Android 5.0+, iOS 10+ | Android 4.4+, iOS 8.4+ |
| Water Resistance | IP68 | IP68 | IP68 | IP68 | IP68 | IP68 |
| Material | Metal | Titanium Alloy | Titanium Alloy | Titanium Alloy | Stainless Steel | |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth | |
| Charging Time | 2 | 2 | 1, 2 | 2 | ||
| Charging Method | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | |
When this device makes sense
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