Xiaomi Mi Watch AMOLED, 1.39", resolution 454 × 454 pixels

From the manufacturerEasy charging with magnetic charging cable. Get 16 days ultra-long battery life when using normally, or 22 days when under long battery mode.Spice up your life with over 100 different watch faces to pick from. Choose any theme you want, technology, sports, mechanical, cartoons and more. Want more? Customize the watch face with your favorite picture and define your own style.Blood oxygen testing is especially important for anyone who wants a better picture of your physical health by checking your blood oxygen saturation.Built-in 12nm process high-end Airoha GPS chip supports positioning through GPS, GLONASS, Galileo and BDS. Improve your fitness data precision and mileage accuracy.Records your sleep through different stages and improves your habits for better sleep.Analyze your vitals to help you understand your physical condition and avoid injuries from exercising when fatigued.Relieve physical and mental stress quickly by following the rhythms displayed and doing breathing exercises for 1-5 minutes.Understand your stress, daily stress trends and 30-day stress trends anytime to achieve better work-life balance.