Smart Ring Gen2 Ceramic | Sleep, Heart Rate & Cycle Monitoring with Free Subscription | Women's Health & Fertility Tracker with BBT Technology | Size Before You Buy - Size 13

Your 24/7 Health Companion: Continuous heart rate and HRV monitoring offer insights into stress and health trends. Monitor daily activity, steps, and calories burned. Professional Sleep Insights: Track sleep stages (Deep, Light, REM) and overnight blood oxygen levels. Receive detailed sleep scores and tailored suggestions. Advanced Cycle Tracking: Innovative BBT technology with over 1,400 nightly temperature readings enables precise cycle forecasts and ovulation detection. It's part of a reliable ecosystem trusted by more than 15 million women globally. Comfort Meets Elegance: Merely 2.7mm thick. A high-quality ceramic exterior with an aluminum core provides strength while weighing just 3.3g. Scratch-resistant, water-resistant to 100 meters, and crafted for 24/7 wear. Size First with the Sizing Kit. Simple & Reliable: Offers up to 35 days of use per charge with a rapid charging case that holds 5 full charges. Works with both iOS and Android. Consistent firmware updates provide ongoing enhancements