Reviewers Liked
- GPS running watch and all-day fitness tracker
Reviewers Didn't Like
- Monochrome screen
Polar M400
The Polar M400 fitness tracker logs your outdoor runs with GPS and measures how much activity you get all day long. It's a compelling choice for runners, but a little too chunky to work as an all-day wearable.
-- As reviewed by PCMag
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8.8
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