The Willful Blood Oxygen Heart Rate Monitor Smart Watch is a versatile and essential device for men, women, and kids. With a sleek black case and comfortable silicone band in various colors, this smartwatch provides accurate blood oxygen and heart rate monitoring. It also features a variety of useful functions such as menstrual care reminders, fitness tracking, touch screen display, and sleep monitoring. With a battery life of up to 7 days and a 1-year manufacturer warranty, this smart watch is a reliable and stylish accessory for anyone looking to prioritize their health and fitness. I eliminared several components of description– I am just an old grandmother and I know nothing about this. I haven’t opened it free ship Leia Mais