Easy-to-use running smartwatch with built-in GPS for pace/distance and wrist-based heart rate; brilliant AMOLED touchscreen display with traditional button controls; lightweight design in 43 mm size Up to 11 days of battery life in smartwatch mode and up to 19 hours in GPS mode Reach your goals with personalized daily suggested workouts that adapt based on performance and recovery; use Garmin Coach and race adaptive training plans to get workout suggestions for specific events 25+ built-in activity profiles include running, cycling, HIIT, strength and more.