FEATURES Ultra-long Battery Life - 60-day battery life in daily use and 85 hours in the most accurate GPS setting. Dual-band GNSS for Superior Accuracy - Always maintains strong signals to record your precise tracks even in complex terrain. Military Standard Tested - Passed the U.S. military tests for durability and ruggedness to resist temperature shocks and drops. Voice Feedback - Pairing it with SUUNTO headset on APP, the watch will tell you lap and HR data during workouts. Extensive Map Collection - Plan your routes with 3D satellite maps, road surface type info, heatmaps or avalanche terrain maps. 95+ Sport Modes - From outdoor to indoor, from water to mountain top, almost your favorite sports can be found here. Never Get Lost Exploring - The downloadable offline maps and breadcrumb trail make it easier to find the way to maximum safety Stay Safe in Challenging Environments - Built-in storm alarm, weather forecasts and surrounding monitors help you stay out of harm's way.