[Choose Size & Charge the Ring Before Buy & Using It] Before purchasing our FONADA smart ring, we strongly recommend that you refer to the size chart and carefully measure the circumference of your finger. This will ensure you get the most comfortable wearing experience and easily avoid any unnecessary returns. And please fully charge when you receive the smart ring, so that it can work normally. When wearing it, keep the optical sensor in close contact with the skin of your fingertips to ensure accurate data. Also, remove the smart ring before touching slippery objects on your hand to prevent it from falling off[Comprehensive Health & Fitness Monitoring] Track heart rate, and sleep stages (deep/light) and activities like running, cycling, hiking, and golf. View 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. [Health Gift for a Loved One] More than just a wearable smart ring, it not only monitors your health but also serves as a constant reminder to keep an eye on the health of your family and friends. Whether it's a birthday, Valentine's Day, Mother's Day, Father's Day, Thanksgiving, Christmas, or New Year's, it's the perfect gift for family or friends. [What's In The Box] Smart Ring*1,Charging Case*1,Charging Cable*1,Storage Pouch*1,Cleaning Pad*3,User Manual*1.We are committed to providing a high-quality wearable device experience without any app subscription fees.#10,#11,#7,#12,#8,#9,#13
