Removable silicone strap is comfortable and flexible to wear Feature a variety of brand new dials, stylish and dynamic Reach 5ATM waterproof level, easily adapting to various environments and meeting daily waterproof need Automatically monitor and record your heart rate, blood pressure, blood oxygen and sleep data, helping you adjust yourself for a healthier lifestyle Offer 8 exercise modes with multiple sports-related data analysis. And it can accurately record your all-day step, distance and calories