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Youhong Smart Health Ring is the world's first non invasive blood sugar risk prediction management smart ring. It is also a perfect fusion of fashion and technology. It can monitor the user's health parameters around the clock without feeling, and has the following outstanding performance: 1. Automatically monitor the user's heart rate, blood oxygen and body temperature around the clock, and set time intervals through the APP to remind. 2. Automatically and accurately identify the user's sleep state, including light/deep sleep REM, sleep and wake up time, etc., to help users better understand their sleep quality. 3. Track the user's activities throughout the day, including steps, calories, distance, activity time and daily goals, so that users can better understand their exercise and health status. 4. Generate health parameter reports and provide health guidance   Youhong Smart Health Ring adopts an easy and non feeling wearing design, which is comfortable to wear and will not cause any discomfort to the user. At the same time, it is also equipped with a battery life of up to 7 days, without the need for frequent charging. The ring size is available in sizes 6 to 13, which is convenient for different users. Youhong Smart Health Ring also supports wireless charging box and OTA upgrade function, which is convenient for users to update device firmware and obtain the latest functions at any time. In addition, Youhong also provides SDK interface, and the accurate data provided by the built in high performance sensor of the ring is convenient for developers to carry out secondary development and customized applications.