femometer Smart Ring Gen2 - Sleep, Heart Rate & Cycle Monitoring - Free Subscription - Women's Health & Fertility Tracker with BBT Technology - Size Before You Buy - Up to 7 Days Battery Life - Size 7

24/7 HEALTH COMPANION: Continuous heart rate monitoring and HRV tracking provide stress insights and health trends. Track daily activity, steps, and calorie burn. All health data syncs seamlessly with the lifetime free femometer app., PROFESSIONAL SLEEP INSIGHTS: Track sleep stages (Deep, Light, REM), blood oxygen levels while you rest. Get detailed sleep scores and personalized recommendations., ADVANCED CYCLE TRACKING: Revolutionary BBT technology with 1,400+ nightly temperature measurements provides accurate cycle predictions and ovulation detection. Part of trusted femometer ecosystem with 15M+ women worldwide., COMFORT MEETS ELEGANCE: Just 2.7mm. Premium ceramic exterior with aluminum core ensures durability while weighing only 3.3g. Scratch-resistant, water-resistant to 100m, and designed for 24/7 wear. Size First with femometer Sizing Kit., SIMPLE & RELIABLE: Up to 35-day battery life with quick charging case (stores 5 full charges). Pair with femometer app to get lifetime subscription. Compatible with iOS and Android. Includes 1-year warranty and dedicated customer support. Regular firmware updates ensure continuous improvement.