Tracks distance, speed, cadence, heart rate, ascent/descent, optional power; Courses (compete against previous activities); Garmin Connect?äó compatible; stores up to 180 hours of history; Time/distance alert; 18 hour battery life; heart rate monitor and speed/cadence sensor compatible; Auto Pause?«; Auto Lap?«; Auto Scroll; ANT+?äó compatible; Heart rate-based calorie computation