The Polar Pacer Pro Advanced Ultra-light GPS Fitness Tracker Smartwatch takes your running to the next level with its lightweight and compact design. Ultralight at just 41g, it is comfortable enough to wear day and night and features easy to use grip buttons. With up to 35 hours of battery life on a single charge (100 hours in power save; 7 days in watch mode), the high-speed processor tracks time, pace, distance, laps and more on a crystal clear color display. Perfect for men and women in sizes small, medium, and large, its Polar Precision Prime optical heart rate monitoring combines with sleep and recovery tools to help your performance improve every day while specialized training tools for more than 150 sports up your game. The Polar Pacer Pro Advanced Ultra-light GPS Fitness Tracker Smartwatch has GPS to track every step and is comfortable enough to be worn day and night by professionals and everyday runners alike. You can even plan and track your fitness using the Polar Flow App, included with purchase available on Google Play (https://play.google.com/store/apps/details?id=fi.polar.polarflow&hl=en_US&gl=US) and App Store (https://apps.apple.com/us/app/polar-flow/id717172678).