[Choose Size & Charge the Ring Before Buy & Using It] Before purchasing your FONADA smart ring, we strongly recommend that you refer to the measurement steps shown in the detail images and the size chart, 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. [IP68 Waterproof and Dustproof] Can be worn for daily washing, light swimming, and sweating during exercise. However, avoid wearing the ring in hot environments like hot tubs and hot springs, or during high-speed water activities like diving, to avoid corrosion on the charging contacts. [Heart Rate Health Ring] The smart ring supports 24-hour continuous heart rate monitoring, Whether in daily life or during exercise, the health ring can always keep monitoring your hear rate data. Allow you to better understand your physical condition and make corresponding adjustments. [Comfortable Sleep Ring] The ultar narrow sleep rings give you more comfortable wearing experience and won't interfere with your falling asleep. The anillo inteligente monitor your sleep duration at night and provide a comprehensive sleep quality analysis, allowing you to develop good sleeping habits. [Sport Fitness Ring] Track your steps, calories consumption and distance automatically. Turn on the sport modes in the App, the fitness tracker will additionally track your activity time and heart art rate during exercise, this allows you know when you should save motivation or keeping exercise hard, also let you know the real-time sport performance. [Waterproof Gesture Control Ring] This waterproof ring supports gesture interaction, you can use it to take phone's photos remotely. Free your hands and give you convenience in daily life. The IP68 waterproof smart rings suit for washing your hands, cold bathing and swimming. [App with No Subscription Fee] You can easily view your exercise records and health data on the APP without any fee. And the app suit for smartphones with Android and iOS system. [A Healthy Gift for Your Loved Ones] This smart ring is more than just a wearable smart ring. Besides checking your own health, it 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,Travel-Friendly Storage Pouch*1,Microfiber Cleaning Cloth*1,Cleaning Pads*3,User Manual*1.We are committed to providing a high-quality wearable device experience without any app subscription fees. (Note: The instructions and charging cable are at the bottom of the box. These accessories have been pre-installed as standard for every product.)#9(60~61mm),#12(66~68mm),#6(51~53mm),#11(64~66mm),#8(57~59mm),#7(54~56mm),#10(62~64mm)
