Get weeks of battery life with the Power Glass solar charging lens. Meet any challenge with advanced training features such as hill score, which measures your climbing performance over time, and real-time stamina updates to gauge your stamina potential. For a more complete picture of your health, training and recovery, tap in to 24/7 health and wellness monitoring with advanced sleep tracking, HRV status, Pulse Ox and more (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries). When the sun sets, use the LED flashlight to stay visible or find your way. Download TopoActive maps from around the world to keep your explorations on track. Navigate on the slopes with 2,000 preloaded ski resort maps worldwide. Adventure far off the grid with up to 22 days of battery life in smartwatch mode with solar charging in 3 hours of direct sunlight (50,000 lux) per day. Gain superior positioning accuracy while optimizing battery life, thanks to multi-band GPS with SatIQ technology.