POLAR GRIT X PRO Outdoor Multisport WatchFeatures: -Lightweight construction, yet rugged and durable -Integrated GPS, compass and altimeter in training mode -Temperature, Temperature, shock and humidity resistant -Ultra-long battery life and various energy saving options -Polar Flow app for planning and analyzing your progress -Hill Splitter for detailed data on ascent and descent performance -Get your energy needs right with FuelWise smart energy wizard -Training Load Pro to measure the stress on different parts of your body -Estimate your VO2max with Running Index -Real-time route guidance -Routing guidance for your routeReal-time route guidance -Route planning with Komoot -Personalized and adaptive training plan -Analysis of calories burned with Smart Calories -Innovative Precision Prime wrist-based heart rate measurement -Weather forecast for the next two days -Motivating feedback after each training session -Continuous heart rate measurement and comprehensive overview of cardiac activity -Individual training guidance with FitSpark, customized to personal needs -Nightly Recharge shows how well you've recovered at night -Sleep Plus Stages tracks sleep phases and quality -Guided breathing exercise with Serene -More than 130 sports supported -Automatic detection of swimming style, stroke and pace -Analysis of energy sources in different body areas -Smartphone notifications -Strava Live segments for more interesting runs and bike rides.