Immersive 1.65-inch AMOLED HD Display: With its large 1.65-inch AMOLED HD display, this watch features a higher screen-to-body ratio than the previous generation and high resolution for a vibrant and immersive viewing experience The screen can also be always on so your data is always visible and your GTS 4 Mini always looks stunning. 24/7 Heart Rate, SpO2 and Stress Monitoring: Monitor your blood oxygen saturation and heart rate stress level 24/7, or easily test all 3 at the same time, with a just touch of the clock. The GTS 4 Mini can also send helpful health reminders for abnormalities: high or low heart rate, low SpO2 levels, and high stress levels. 120+ Sports Modes & Intelligent Recognition: GTS 4 Mini can track sports data for more than 120 different sports, meeting your needs, whatever sports you love. And to easily switch to your favorite workouts, GTS 4 Mini can automatically recognize 7 sports. Strong and Accurate Positioning: The GTS 4 Mini supports 5 satellite positioning systems and uses patented circular polarization antenna technology to improve positioning performance and accuracy. Track your adventures through the great outdoors with high accuracy. 15 Days Battery Life: A fully optimized battery management system provides up to 15 days of battery life for GTS 4 Mini. Get rid of the anxiety caused by constant charging and keep the energy flowing.