Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen for iOS and Android, Health Tracker,No Subscription Fee (Silver, 8#)

Waterproof, made of Taiyuan Iron and Steel, wear-resistant, scratch-resistant, multiple sports monitoring, sleep, heart rate, blood oxygen and other health monitoring

• 【Check the Size Before Purchase】 Before buying the Smart Ring, we strongly suggest 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 or exchanges.
• 【Intelligent Sleep Tracker】 This fitness ring is like a considerate little assistant for your sleep health. It will accurately monitor the quality of your sleep, and record in detail the durations of deep sleep and light sleep, as well as the specific situations of your wakeful states. You just need to open the app at any time, and you can clearly view all kinds of sleep indicators.
• 【Long Battery Life and Ultra-thin Design】 The Smart Ring has a very strong battery life. After a full charge, the battery can last up to 5 days, easily keeping up with your busy lifestyle. It is widely compatible with both Android and iOS systems, which is very convenient and practical. In addition, the updated design is lighter, thinner and more comfortable, with a greatly improved wearing fit.
• 【No Subscription Fees, Enjoy Exclusive Services】 With the Smart Ring, you don't need to pay any subscription fees, and you can unlock the full range of functions of the App for life. Continuously enjoy the convenience of real-time health tracking, and also get professional and targeted advice, making health management easier and more efficient.
• 【Long Battery Life and Ultra-thin Design, Enjoy the Convenience】 The Free Shark Smart Ring has a very strong battery life. After a full charge, the battery can last up to 5 days, easily keeping up with your busy lifestyle. When used with the smart charging case, the usage time can even exceed 30 days. It is widely compatible with both Android and iOS systems, which is very convenient and practical. In addition, the updated design is lighter, thinner and more comfortable, with a greatly improved wearing fit. It's so light that you can hardly feel it on your finger.
• 【No Subscription Fees, Enjoy Exclusive Services】 With the Free Shark Smart Ring, you don't need to pay any subscription fees, and you can unlock the full range of functions of the Free Shark Smart Health Monitoring App for life. Continuously enjoy the convenience of real-time health tracking, and also get professional and targeted advice, making health management easier and more efficient.