Gold Zircon Smart Ring – Crystal Fitness Tracker Ring, IP68 Waterproof

All-Day Health Tracking: Monitor heart rate, blood oxygen (SpO2), sleep stages (deep/light/REM), and daily activity (steps, calories, sedentary alerts) with medical-grade accuracy.
Smart Connectivity: Get discreet vibration alerts for calls, texts, and app notifications—plus remote camera control and customizable alarms.
Water-Resistant & Long-Lasting: 5ATM waterproof (swim-proof!) and up to 12 days of battery life on a single charge.
Women’s Health Insights: Track menstrual cycles, predict fertile windows, and analyze stress levels for holistic self-care.