AMOVAN Smart Ring for Women Men, Fitness Tracker Ring with Body Temperature, Heart Rate, Blood Oxygen, Sleep Monitor, Calories, No Subscription Fee, IP68 Waterproof for iPhone & Android (Gold, #9)

【Advanced Chip & Dual Sensor】Fitness rings for women men with Bluetooth 5.2 dual-mode RTL8762ESF chip, VC30F-S sensor and ST LIS2DOCTR six-degree-of-freedom motion sensor, achieving high-speed connection, accurate monitoring, intelligent identification, wearing detection and privacy protection. Fitness tracker ring stability improved by 40%, pairing only takes 0.8s, Basic data measurement is more accurate, and can accurately identify 15 preset actions. Data transmission is encrypted to protect user privacy. 【Sleep Monitoring & AI Analysis】Sleep tracker ring provides accurate sleep tracking and monitors your sleep quality with detailed charts and data.Track your sleep data and sleep patterns throughout the night. With these detailed sleep data, APP also analyze daily, weekly and monthly reports to optimize your lifestyle and improve overall sleep. 【100+ Sports Modes & Free Qring APP】Fitness tracker ring accurately monitor and track sports data, such as calorie consumption, steps, exercise distance, time, and body temperature. Body temperature ring supports more than 100 sports modes. You can easily view all health data on the QRing app and analyze daily, weekly, and monthly reports to optimize your lifestyle and improve your overall health. No subscription is required to enjoy all features. 【5AMT Waterproof & Premium Materials】Fitness rings has a 5AMT waterproof rating and can withstand static water pressure of 50 meters deep. Whether you wash your hands, shower, or swim in shallow water in your daily life, you don't need to take off the smart health ring, no need to worry about the smart ring being damaged. Health monitoring ring is made of epoxy resin and stainless steel, which is comfortable and light to wear, comfortable to wear all day, and durable. 【Extremely Long Battery Life】Smart ring health tracker has a static standby time of up to 15 days and a usage time of up to 5~7 days. Smart ring temperature tracker equipped with a wireless charging case with Type-c connection and a spare charging cable, and the charging time only takes 1~1.5 hours, so you can say goodbye to battery anxiety. 【Warm Tips】Please determine the appropriate size before purchasing a heart monitor ring. You can buy a ring sizer to determine the size, or use a long paper strip or a small string to wrap around the finger to be worn, and determine the size by measuring the intersection of the marks