

Complete the test regularly to see the progress you're making. Available on the Polar Flow web service.Ī five-minute test that measures aerobic fitness from your resting heart rate, heart rate variability and your background information. Shows you the time necessary to recover before your next training session. Monitor your load continuously to recognize your personal limits and adjust training intensity and duration accordingly. Shows you how your training affects your body and helps you compare the load of different sessions. The M400 knows when you've outdone yourself and lets you know it, too. Surpass yourself with M400's individual training targets, Smart Coaching features and timers. Detailed data helps you train systematically and keeps you motivated. You can view your progress online or using a mobile app. The M400 records all of your training data into Polar's exclusive Polar Flow service. Create tailored views for each sport profile and focus on what's important for you. With GPS and the "Back to start" feature you can explore new running paths without worries.Ĭustomize your M400 for the best results. 24/7 activity tracking records your every move, pushing you towards new heights. The M400 is a powerful running companion and daily motivator. Receive push notifications from social media apps to your wrist and stay in the know wherever you are. M400 alerts you about the appointments on your calendar and makes sure you're always on time. Read messages conveniently on the M400's display even when your phone is not at hand. Answer calls using your watch or decline them when training demands it. See incoming calls and texts at a glance. Pair your phone with M400 and get alerts for incoming calls, received messages and push notifications from social media apps to your wrist and stay in the know wherever you are. It can help you plan optimal training, break your records, and even find your way back from a run. The Polar M400 is a waterproof GPS running watch and daily fitness tracker.
