Do what you love, longer with Instinct Solar. This rugged GPS smart Watch boasts solar charging, giving incredible battery life in smart Watch and Expedition modes while outdoors. Monitor how your body uses energy by tracking heart rate, stress, estimated sleep and Pulse Ox (this is not a medical device and is not intended for use in the diagnosis or monitoring of any medical condition), which helps give you a better understanding of your health and wellness. Get more out of the sports you love with preloaded activity profiles such as running, biking, swimming and more. Smart notifications (when paired with a compatible smartphone) at the wrist keep you connected to what matters. Multiple global navigation satellite systems (GPS, GLONASS and Galileo) help you track wherever your adventures take you.