With the London Cyclist 2016 roundup of the best GPS options for cyclists guide just released, now seemed like a good time to provide a through review of one of the options we mentioned. I have had the Polar M400 for a year now and it has replaced my regular watch. I chose this watch as it wasRead More
Polar M400 Sports Watch and GPS Review Philippines
Polar M400 Review: Fitness/Sleep Tracker Watch With GPS
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 V800 & Polar M400 Reviews. Feature comparison between M400 and V800
Polar M400 GPS & Activity Tracker Watch In-Depth Review
Polar M430 Review + Discount, Detailed
Polar M400 with heart rate sensor review - The Gadgeteer
Polar M400 Review Tested by GearLab
Polar M400 Review