There are 7 days in a week. And the fenix(R) 7S Solar multisport GPS watch is built to go strong for all of them. It's styled for smaller-sized wrists. And its Power Glass(TM) solar charging lens gives it the battery life to sustain your athletic and outdoor challenges. FEATURES & PERFORMANCE: Long-running solar powered, smaller-sized multisport GPS watch with always-on 1.2" display and new ultratough athletic design uses the sun's energy to extend battery life Trusted button controls that work in any environment are matched with a highly responsive touchscreen interface for quick, convenient access to selections Take your training to the next level with endurance and real-time stamina tracking, training status, advanced performance metrics and 30+ built-in sports apps Get 24/7 health and wellness monitoring with wrist-based heart rate, Pulse Ox (not available in all countries), stress and enhanced sleep tracking (this device is intended to give an estimation of your activity and metrics; it is not a medical device) Navigate the outdoors with built-in sensors for the 3-axis compass, gyroscope and barometric altimeter; supports multi-GNSS satellite systems (GPS, GLONASS and Galileo) Check out preloaded maps for thousands of golf courses and ski resorts worldwide; download TopoActive maps for any region to keep your explorations on track Enjoy everyday style with access to smart notifications when paired with a compatible smartphone, music storage and our Garmin Pay(TM) contactless payment solution in supported countries and payment networks Battery performance: up to 11 days of battery life while indoors or up to 14 days when solar charging (assuming all-day wear with 3 hours per day outside in 50,000 lux condition) in smartwatch mode; in GPS mode, up to 37 hours indoors or up to 46 hours when solar charging (assuming use in 50,000 lux conditions) BATTERY LIFE: Rechargeable internal lithium-ion Smartwatch: Up to 11 days/14 days with solar* Battery Saver Watch Mode: Up to 38 days/87 days with solar* GPS Only: Up to 37 hrs/46 hrs with solar** All Satellte Systems: Up to 26 hrs/30 hrs with solar* All Satellite Systems + Music: Up to 7 hrs Max Battery GPS: Up to 90 hrs/162 hrs with solar** Expedition GPS: Up to 26 days/43 days with solar * *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions**Solar charging, assuming use in 50,000 lux conditions INCLUDES: fenix 7 series watch Charging/data cable Documentation