Battery Life with Solar Charging: Up to 22 days in smartwatch mode with 3 hours of sunlight daily. Built-in LED Flashlight: Variable intensities for visibility in the dark. Garmin ECG App: Detects irregular heart rhythms. Rugged Design: Military-grade durability with scratch-resistant display. Performance Features: Hill Score, Race Predictor, PacePro?, ClimbPro, etc. Activity Features: Track various activities including HIIT workouts, skiing, surfing, etc. Navigation Features: Premium mapping, GPS accuracy, topo maps. Health Features: Morning Report, HRV Status, Pulse Ox, Sleep Coach, etc. Connected Features: Smart notifications, music, Garmin Pay?, safety features, etc. Power Manager: Optimize battery life with settings.