Polar M400 GPS & Activity Tracker Watch In-Depth Review
Today, Polar has announced their latest watch, the M400. This running focused GPS watch also contains day to day activity tracking (i.e. steps and sleep) along with smartphone connectivity. The unit priced at $179US/€159EUR, is very competitively placed in the
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Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET
Polar M400 GPS & Activity Tracker Watch In-Depth Review
Polar M400 Review Tested by GearLab
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Polar M400 Review
Polar M400 Review Tested by GearLab
Polar M400 Review Tested by GearLab