LARGE DISPLAY: The large 1.9 inch high-resolution screen has enhanced color and is easy to read, with anti-fingerprint glass. The face is curved to fit naturally on your wrist for comfort and style.TRACK STEPS, DISTANCE, CALORIES: Automatically detects and records all your activities and fitness data, from walking, running, treadmill, rowing and more with 120 sports modes.RELIABLE HEALTH MONITORING: Track heart rate, blood oxygen, stress level monitoring, sleep quality, sedentary reminders, and sleep quality tracking.FITNESS APP DATA SHARING: Easily connect with Strava, Adidas Running, Apple Health, Google Fit, Relive, Komoot to record and share health, steps and fitness data.UP TO 30 DAYS OF BATTERY LIFE: 10 days with typical usage, even 30 days in battery saver mode, so you can keep going without stopping to recharge.70 WATCH FACES: Easily change the look or your watch or information displayed, or add your own custom photo background.AMAZON ALEXA READY: Set alarms and timers, check the weather, get translations, control your smart home devices, create shopping lists, and more with the Amazon Alexa voice assistant.