This advanced smart ring has built-in optical sensors that automatically monitor heart rate, blood oxygen levels, blood pressure, and sleep analysis. It uses the SC7A20H accelerometer to track steps, calories burned, and distance. It is suitable for analyzing activities such as running, cycling, and yoga, and can be used as a dedicated fitness ring and health tracking ring. Engineered for longevity, the smart ring offers approximately 3-5 days of regular use and up to 7-10 days in standby mode. The IP68 rating helps protect against sweat and water immersion during hand washing. This health ring features a comfortable resin + stainless steel case This app supports remote photo control, allowing you to easily capture beautiful moments. It also includes a health data sharing mode that allows you to share health data with others, making it an ideal gift choice for friends, couples, and family members. What's in the box Smart Ring Charging Case Ring Protector Charging Cable User Manual Will ship USPS with tracking within 2 business days.