Easy 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? Customise the watch face with your favourite 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.