Polar M400 offers a host of unique features to help you train better.
Here you can find a summary of the most important ones.
With an integrated GPS, the M400 provides you with a variety of
useful information during training. M400 accurately tracks your
speed and distance, and also calculates GPS based altitude, ascent
and descent data. You can view your route on a map in the Polar
Flow App or Flow web service after your session. The Back-to-start
feature directs you to your starting point.
FINISH TIME ESTIMATOR
Set the distance for your session and M400 will estimate your arrival
time to the destination according to your speed.
See how efficient your running is. M400 calculates your Running
Index automatically after every run, based on your heart rate and
M400 is packed with Polar’s unique Smart Coaching features that
offer the best possible guidance on how to develop your training as
well as helpful feedback on your progress.
The stock listed above does not take into account variances in stock levels that may occur and any items on hold.