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FKGZJF Smart Health Ring + Sizing Kit – Advanced Fitness & Wellness Tracker
Never guess your ring size again! The FKGZJF Smart Ring is a sleek, waterproof wellness companion that tracks your health stats—heart rate, blood oxygen, HRV, sleep, and steps—with zero subscription fees. Designed for both men and women, this ring combines powerful biometric tracking with comfort and style. Get your exact fit with the included Ring Sizing Kit, so you enjoy unmatched accuracy and long-term wearability.
| Key Features | No Subscription • Heart Rate & HRV Tracking • Blood Oxygen Monitor • Sleep & Step Tracker • Waterproof (IP68) • Long Battery with Case • iOS & Android Compatible |
| Ring Sizing Kit | Includes comfortable gauges for accurate fitting. Wear for 24 hours to find the perfect fit for your FKGZJF ring. |
| Battery Life | 3–5 Days per charge, with a portable 400mAh case that can recharge the ring up to 15 times—ideal for travel! |
- Precision Fit: Includes sizing kit to avoid sizing errors
- Zero Subscription: All health data is available without hidden fees
- Stylish & Lightweight: Designed for men and women
- Gift-Ready: A thoughtful choice for fitness lovers, partners, or family