Smart Ring for Women Men, Health Fitness Tracker Ring with Heart Rate/Sleep Tracker/Blood Oxygen/HRV/Stress/Calorie/Steps, IP68 Waterproof for iOS & Android, No APP Fees(Silver,8#)

【Size Before You Buy】To ensure the most precise and comfortable fit, please measure the circumference of your finger and refer to our size chart before purchasing the health ring. This will improve your shopping experience and prevent unnecessary returns and exchanges
【Upgrade Chip & NO APP Fees 】This fitness ring is equipped with the most advanced chip and optical sensor, enabling accurate monitoring of various health data (HRV data in particular) to help you better understand your physical condition. Plus, the app for this health tracker ring is totally free, easy to use, and portable
【Health Monitoring】The smart ring health tracker combines health monitoring, fitness tracking, and sleep analysis. It tracks heart rate, blood oxygen, stress levels, HRV, sleep data, step count, distance, calories, and more. This lightweight fitness ring tracker gives all-day real-time data to help you reach your health goals
【180+ Activity & Fitness Trackers Modes】Our health tracker supports both outdoor and indoor activities, including running, cycling, swimming, hiking, dancing, pilates, yoga, etc. It records distance, calories burned, and duration of each activity. This exercise ring will also help you maintain an active and healthy lifestyle
【Intelligent Sleep Tracker ring】This smart ring for men and women monitors your deep sleep, light sleep, stages of rapid eye movement , and wakeful periods throughout the night. As a sleep ring，it keeps track of your sleep patterns——helping you adjust your habits and improve sleep quality
【Extended Battery Life & IP68 Waterproof 】High-quality vital health ring with long battery life—over 4 days on a full charge. IP68 waterproof, wear it swimming, diving, exercising or showering.Better yet, the charging case lets you recharge the ring health tracker multiple times, eliminating battery anxiety even during long trips
【 Family Care & Remote Photography】Connect to loved ones’ health data via the app to keep track of family or friends’ well-being (you can choose whether to share specific data with them). Plus, this smart fitness and health tracking ring features remote camera control—shake it twice to take photos easily and conveniently