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Ring vs Tracker
Compare screen-free rings with wrist fitness trackers for sleep comfort, workout feedback, sizing, battery life, and when a smartwatch is the fallback.
Emerhome R11 Ultra-Thin Smart Ring: Ultra-thin and comfortable design
🌟 Ultra-Thin Smart Ring - The perfect blend of style and functionality. This smart ring is designed to be ultra-thin, lightweight, and comfortable for all-day wear. It's not just a piece of jewelry; it's a powerful health and fitness tracker that fits on your finger.
💤 Intelligent Sleep Tracker - Automatically monitors your sleep patterns, including deep and light sleep phases, to help you understand and improve your sleep quality. View your sleep data in the app to make informed adjustments to your bedtime routine.
❤️ 24/7 Health Monitoring - Keep track of your heart rate and other vital health metrics around the clock. The app provides real-time data and historical trends to help you stay on top of your health.
🏃 Fitness Tracker - With multiple sport modes, this ring tracks your steps, calories burned, and distance. Whether you're walking, running, cycling, or doing yoga, it provides detailed insights to guide your workouts.
🔗 Easy Connectivity - No subscription fees! Just download the app, connect via Bluetooth, and start tracking your health and fitness data instantly. Compatible with both iOS and Android devices.
Features
- Intelligent sleep tracking
- 24-hour health data monitoring
- Fitness tracker with multiple sport modes
- No subscription fees
- Ultra-thin and comfortable design
General specs
- Brand: Emerhome
- Model: R11
- Seller: Amazon
- ID: B0DYV6GVQ4
- batteries: 1 9V batteries required
- Item Weight: 5 ounces
- Country of Origin: China
- Package Dimensions: 3.58 x 3.5 x 1.85 inches
- Memory Storage Capacity: 120 MB
- First listed by seller: May 4, 2025
If you are interested in more details, you can find full information on the seller's page.
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Offers updated: 8/26/26
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| Brand | Mirlray | OURA | RingConn | |||
| Model | R11 | R02 | AIR-Smart Ring | JZ90-54144-11 | RCA-02 | RCA-02 |
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| Price | €25.82 | €18.93 | €8.60 | €300.48 | €171.33 | €171.33 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Mar 22, 2026 | Jun 19, 2026 | Dec 6, 2025 | Mar 21, 2026 | Jun 24, 2026 | Mar 30, 2026 |
| Size | 7 | 11 | 12 (US ring size) | 12 | ||
| Battery Life | 5 days | 7-9 days | 5 to 8 days | 10 days | 10 days | |
| Compatibility | Mobile App | Android, iOS | iOS, Android | |||
| Number of Items | 1 | 1 | 1 | |||
| Waterproof Rating | 10ATM | IP68 (tested to 328 ft / 100 m) | IP68 (100m / 328ft) | |||
Emerhome R11 Ultra-thin and comfortable design
€25.82
Affiliate link. As an Amazon Associate I earn from qualifying purchases.
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