This smart ring monitors user health around the clock.It tracks heart rate, blood oxygen, blood pressure and sleep quality. It records daily activity and supports personalized exercise plans.It analyzes sleep data and shows health trend information.It uses magnetic charging and supports IP68 waterproof level.It provides reliable protection for daily health management. Built-in 20mAh battery IP68-rated dustproof and waterproof design Fully supports iOS/Android systems Durable metal bod