Mexlyca SF20250921B0FGY2QWT4 Smart Ring with Fitness and Health Tracking: Step counting and fitness tracking
For the active person who wants health insights without the bulk of a watch, this smart ring is your discreet wellness companion. Think of it as your personal health guardian, not just a tracker, giving you peace of mind during hectic days at the office or intense workouts.
It slips on comfortably, feeling like a natural part of your hand. The heart rate monitor picks up subtle changes during stress, alerting you before you even notice tension. With no subscription fees, you get continuous monitoring of steps, sleep stages, and blood oxygen levels. The IP68 waterproof design means you can wear it in the rain or shower without worry. Use gesture controls to snap photos hands-free, making it perfect for group shots or managing music on the go. Sync it easily with your iPhone or Android for seamless integration into your daily routine.
Features
- Heart rate and blood oxygen monitoring
- Sleep monitoring with stage analysis
- IP68 waterproof for swimming and showers
- 20-day battery life with charging case
- Gesture controls for phone functions
- Step counting and fitness tracking
General specs
- Brand: Mexlyca
- Model: SF20250921B0FGY2QWT4
- Seller: Amazon
- ID: B0FGY2QWT4
- Size: 9
- Weight: 10
- Material: Metal
- Battery Life: 3–5 d
- Connectivity: Bluetooth
- Display Type: None
- Charging Method: Magnetic
- OS Compatibility: Android, iOS
- Water Resistance: IP68
- First listed by seller: 1/21/26
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Shipping options
United States
Comparison with similar products
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| Brand | Mexlyca | Ultrahuman | Lemolf | ZBNMY | ZBNMY | Weylmd |
| Model | SF20250921B0FGY2QWT4 | AIR | R6 | |||
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| Price | $19.99 | $399.00 | $39.51 | $37.98 | $39.98 | $29.80 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | January 21, 2026 | July 19, 2025 | January 21, 2026 | January 21, 2026 | January 16, 2026 | January 16, 2026 |
| Size | 9 | 7 | 11 | 9 | 11 | 9 |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | |||
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | Android, iOS | Android, iOS | |
| Water Resistance | IP68 | IP68 | IP68 | IP68 | IP68 | |