Operating systemAndroid Memory storage capacity64 MB Special featureBluetooth, Waterproof Connectivity technologyUSB Wireless communication standardBluetooth Battery cell compositionLithium Ion Evaluates your current training status to indicate if you’re undertraining or overdoing it; offers additional performance monitoring features Get free adaptive training plans from Garmin Coach, or create your own custom workouts at the Garmin Connect online fitness community Provides advanced running dynamics, including ground contact time balance, stride length, vertical ratio and more Safety and Tracking features make it easy to share your location with chosen contacts GPS, GLONASS and Galileo network capability helps you track how far, fast and hard you’ve run — on or off the city streets
See Garmin website for full specs
Very good condition. Charger 2 x charger included.