- Up to 15 days of battery life on a single charge, so you can travel for two weeks without needing a charger. - 24/7 heart rate monitoring with an alert if your heart rate rises too high, helping you stay within safe zones. - Sleep tracking that analyzes sleep stages and provides guidance to improve your sleep habits. - Daily nap tracking that records your 20-minute naps each day. - 11 built-in sports modes to fit a wide range of activities, recording distance, speed, heart rate changes, and calories burned. - Practical use scenarios: - On a two week trip: stay powered without charging and keep an eye on your health metrics while you travel. - At home or work: monitor heart rate and sleep patterns to support daily health routines. - During workouts: use multiple sports modes to capture comprehensive workout data and track progress over time.