Operating System: Powered by Wear OS, this smartwatch offers a seamless and intuitive user experience. Health Tracking: Features automatic and one-tap measurement, MAI health vitality score, blood oxygen level, heart rate, exercise heart rate, sleep tracking, HRV stress, mood tracking, and women's health monitoring for a holistic approach to health. Design: The round AMOLED display, full metal middle frame, and sleek PC bottom shell give this smartwatch a modern and stylish look. With a variety of color options and band materials (silicone, stainless steel, leather), it caters to all tastes and preferences. Battery: Equipped with a built-in 300mAh Li-Polymer battery, this smartwatch offers 5-10 days of use and 45 days of standby. It features a magnetic charging cable and fully charges in about 2 hours.