**MISSING INSTRUCTIONS NO POWER CORD*** 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, #8)

Additional Details from the Manufacturer

This item information is coming from the manufacturer. Some of the details may vary from the Nellis Auction listing. Please check the Quality Rating and Notes for information specific to this listing

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.