Keep training on track with the Garmin Forerunner GPS watch. It offers runners, cyclists, and exercise enthusiasts a wide range of functions to supplement workouts. After charging, this training watch is ready to use. It uses GPS technology to track running distance, steps, and time, calculating your optimal workout pace. This watch works both indoors and out and links with some exercise equipment, allowing you to include your cycling or treadmill exercise with an outside run. Compatible with the Garmin heart rate monitor, this watch shows where your body works hardest during the workout and stores the information, helping plan future workouts.