Thank you for viewing! Please read my profile before purchasing m(_ _)m ☆ Brand new, unused ☆ Free shipping ☆ Anonymous delivery #Umi'sShop Size: Size 10 【 Smart Ring - Health Management 】 The smart ring uses the latest technology to make health management easier! The ring has three sensors: an optical sensor, a weight sensor, and a red sensor. By simply wearing it on your finger in daily life, you can record health data such as sleep, exercise, and steps, and reflect it in real-time in the dedicated app, making it easy to understand your health condition. In addition, the ring is stylish and has an excellent fit, so it won't be a burden to wear all day long, and you can use it as part of your everyday fashion. 【 Sleep Management - Scientific Analysis 】 When you wear the ring at night and sleep, the app graphs detailed sleep data such as light sleep, deep sleep, REM sleep time, and the number of times you wake up. Based on scientific algorithms, the analysis makes it easy to understand your sleep cycle and provides tips for improvement. When you wake up in the morning, you can see your sleep performance at a glance, making daily health management smoother. 【 8 Exercise Modes - Measure Exercise 】 The smart ring can also be used as an activity tracker, measuring activity in real-time through the app. It is equipped with 8 exercise modes: jogging, cycling, jump rope, walking, climbing, yoga, golf, and dance. Each mode records data corresponding to the specific exercise and calculates calories burned, distance, steps, speed, etc. Step statistics are visualized on the app, divided into daily, weekly, and monthly, which helps maintain motivation for exercise.