Fvtga Smart Ring for Women Men, Health Tracker with Digital Charging Case, 24 /7 Heart Rate SpO2 Sleep Stress Monitoring, IP68 Waterproof Fitness Ring, No Subscription Fee, iOS Android(Silver, 10)

Features

• [Size Before You Buy]: Fvtga utilizes a unique sizing system. We strongly suggest referring to our size chart and measuring your finger circumference carefully before purchase. Following our measurement guide ensures the most comfortable wearing experience, optimal sensor accuracy, and helps you avoid unnecessary returns or exchanges.
• [Digital Charging Case]: Never guess your battery level again. Our smart ring features an exclusive portable charging case with a real-time LED digital display, showing the exact power percentage remaining. Enjoy 5-7 days of use on a single charge, with the case providing enough power for up to 25-30 days of continuous health tracking.
• [24/7 Health Tracker Stay on top of your vitals with precision. This smart ring automatically monitors your Heart Rate, Blood Oxygen (SpO2), and Stress levels throughout the day. All data is synced to our user-friendly app, providing professional-grade insights into your physical well-being with NO monthly subscription fees required.
• [Sleep Stage Monitor] Master your rest with AI-powered sleep tracking. It automatically records your Deep, Light, and REM sleep stages, plus overnight heart rate variability (HRV). By tracking these patterns over time, you can visualize your sleep quality trends and make informed adjustments to your daily routine.
• [Feather-Light Comfort & IP68 Waterproof] Designed for a "barely there" feel, this ultra-slim smart ring is crafted for 24/7 wear, from workouts to deep sleep. Its ergonomic, minimalist design blends with any style. Rated IP68 waterproof, it is built to withstand swimming, showering, and intense sweat, making it the ultimate low-maintenance health companion.