Brand new, unused! Instant purchase welcome! To sell at a lower price, I will remove it from the box and ship it compactly via Yu-Packet Post! If you want the box, it will be an additional 500 yen. Please let me know in the comments before purchasing. Color: Gold Size: #12 / Circumference 67.5mm 【A new era of health management, starting from your fingertips】 Our smart ring is designed to make health management easier and smarter. By simply wearing it in your daily life, it records health data such as sleep, exercise, and steps, and reflects it in real-time in the dedicated app, allowing you to accurately understand your own health condition. With this smart ring, which allows busy modern people to easily manage their health, let's get a better lifestyle. 【Scientifically analyze sleep quality】 Sleep is the foundation of health, and good quality sleep is essential for refreshing the body and mind. This smart ring records deep sleep, light sleep, REM sleep, and the number of awakenings in real-time during sleep, and graphs detailed data in the dedicated app. Based on scientific algorithms, it makes it easier to understand sleep cycles and provides tips for improvement. 【Support an active life with 8 exercise modes】 Equipped with 8 exercise modes such as running, cycling, yoga, mountain climbing, and golf, you can use it in any active scene. Each mode records data corresponding to the specific exercise, and you can check your heart rate, calories burned, exercise route, etc. in the dedicated app. In addition, it is equipped with a pedometer function to grasp daily activity levels. Step statistics are visualized on the app, divided into days, weeks, and months, connecting daily efforts and achievements to motivation. 【Comfortable design suitable for everyday use】 The smart ring has high battery performance, allowing for up to 7 days of use with a 1.5-hour charge, so you can use it with peace of mind even on busy days or when traveling. In addition, it is IP67 waterproof, so you can use it without worry on rainy days or when washing your hands, and it supports various scenes in daily life. Furthermore, the ring body weighs only 3g, and it is very lightweight at 30g including the charging case, providing comfort that makes you forget you are wearing it. 2200r9003