The rugged, sleek design features an always-on, sunlight-readable 1.3\" display and stainless steel bezel and buttons.Equipped with a high-performance heart rate monitor1 that measures heart rate on the wrist .Access performance data such as training load balance, training status, running and cycling dynamics at your fingertips.Navigate outdoors with built-in sensors including a 3-axis electronic compass, gyroscope, and barometric altimeter. Compatible with multiple global navigation satellite systems (GPS, Michibiki (supplementary signal), GLONASS, and Galileo), it provides accurate positioning in harsher environments than GPS alone.Connected features include smart notifications2 and Garmin Pay contactless payments3 .Battery Performance: Up to 13 days in smartwatch mode, up to 36 hours in GPS mode, up to 42 hours in UltraTrac mode. Customizable power manager allows you to see and manage the impact of different settings and sensors on battery life.