Garmin Forerunner 645

Product Details:

• Provides advanced running dynamics, including ground contact time balance, stride length, vertical ratio and more
• Uses wrist-based heart rate to offer performance monitoring features, including evaluating your current training status
• Connected features include smart notifications, automatic uploads to Garmin Connect™ and the ability for others to track your runs with the LiveTrack feature
• Customize with free watch faces, apps and more from our Connect IQ™ store
• Battery life: up to 7 days in smartwatch mode; 14 hours in GPS mode