Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
MUNBYN SR-7 Rose Gold, Size 7, Metal, 0.35 Weight, Bluetooth Smart Ring
Features
- Monitor health and sleep with daily/weekly/monthly reports and heart rate analysis
- Track mental health with mood, stress, fatigue, and emotion monitoring
- Advanced health tracking with heart rate and blood oxygen every 30 minutes
- Ultra-thin 2 mm design for all-day comfort and waterproof up to 5ATM
- Compatible with iOS and Android with zero app subscription fees
- Customize vibration reminders and use Smart Touch Control for device interaction
General specs
- Brand: MUNBYN
- Model: SR-7
- Seller: Retailer
- ID: B0FFMDQ2TL
- Size: 7
- Weight: 0.35
- Material: Metal
- Connectivity: Bluetooth
- OS Compatibility: Android, iOS
- Water Resistance: 5ATM, IP68
- First listed by seller: February 4, 2026
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 health insights without a bulky watch, the MUNBYN Smart Ring fits seamlessly into your daily routine. Wear it to track your sleep quality overnight or monitor stress levels during a busy workday.
This ring goes beyond basic fitness tracking by focusing on mental wellness. The 4-in-1 mental health tracker helps you spot patterns in mood and fatigue, so you can adjust your schedule before burnout hits. The app provides personalized recommendations based on your data, all without subscription fees.
You will appreciate the ultra-thin design that stays comfortable during workouts or sleep. Use Smart Touch Control to take selfies or switch presentation slides with a tap. With precise heart rate and blood oxygen monitoring, it delivers actionable health reports to keep you informed and motivated.
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| Brand | MUNBYN | SORNBEO | Tiantianka | SARUNN ER | BIEMHA | Victormont |
| Model | SR-7 | B0F8HMRF8Z | B0G2CZ7KZV | VR11 | Gen 1 | |
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| Price | €26.78 | €89.29 | €31.05 | €44.64 | €116.08 | €89.29 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Apr 12, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | May 27, 2026 |
| Size | 7 | 9 | 7 | 8 | 10 | 9 |
| Weight | 0.35 | 2 | 0.11 | |||
| Material | Metal | Titanium Alloy | Gold | Titanium Alloy | ||
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | ||
| OS Compatibility | Android, iOS | Android 5.0+, iOS | Android, iOS | Android, iOS | Android, iOS | iOS, Android |
| Water Resistance | 5ATM, IP68 | IP68 | IP68 | IP68 | IP68 | IP68 |
| Battery Life | 3–5 d | 7–10 d | 5–7 d | 3–5 d | 7 d | |
| Charging Method | Magnetic | Magnetic | Magnetic | Wireless | ||
When this device makes sense
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