Smart Ring Health Tracker for Men/Women with LED Dispay Screen,Fitness Ring Sleep Tracker,Fast Charging,for Pedometer Exercise,Monitor Sleep,Heart Rate, Stress,Waterproof (Black,9)

Before purchasing: When you are not sure about the size of your ring, you can first purchase the size kit. This kit will help you choose the ring size that best suits you. Or refer to the ring size data in the picture for purchase.
Comprehensive Health tracking: This smart ring can detect your physical health monitoring data, sleep monitoring data, and exercise monitoring data, providing you with valuable information about your health. It can also synchronize data with Apple Health. According to the gender options set by the user, a new female cycle function will also be added to help women record their cycles.
Fashionable, durable and waterproof design: The outer ring is made of high-quality stainless steel, which is long-lasting. The highly textured appearance design is suitable for wearing in various occasions. The waterproof design ensures that the health ring remains unaffected during daily use.