Smring Smart Ring, Fitness Tracking Ring, Heart Rate Monitor Health Tracker for Women/Men, IP68—No Subscription—Sleep Tracker for iPhone and Android, Up to 10 Days of Battery Life (Black, #7)

Additional Details from the Manufacturer

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More features

• 【Comprehensive Health & Fitness Monitoring】Track heart rate, and sleep stages (deep/light) and activities like running, cycling, hiking, and golf. View trends across daily, weekly, and monthly periods.
• 【Advanced Auto-Detection Technology】Automatically measures heart rate at customizable intervals, recording resting/maximum/minimum rates. Provides detailed sleep quality analysis.
• 【Extended Battery Life & Seamless Integration】Enjoy up to 10 days standby time (actual usage varies). Syncs directly with Apple Health for unified wellness data management - no subscriptions required.
• 【Women's Health Cycle Tracking】Record menstrual cycles with ovulation predictions and fertility alerts. Get personalized period reminders and cycle pattern analysis.
• 【Smart Gesture Controls】Innovative shake-to-capture photo feature and hands-free short video scrolling functionality - perfect for content creators and social media enthusiasts.