We get sweaty with the Xiaomi Smart Band 9 Pro with its built-in GPS for run tracking — and see if it's worth the extra money ...

We test the Polar Vantage M3 with a host of runs up to marathon distance, with some of the most in-depth battery testing ...

The biggest difference is the Pace Pro’s bigger, brighter and sharper, smartwatch-style AMOLED touchscreen. The 1.3-inch ...

The Pacer is the entry-level running watch made by Finnish brand Polar but it offers just the right amount of features for ...

Pretty much every fitness tracker and smartwatch has an optical heart rate sensor, but they're not always perfectly accurate.

You can now literally use a strap on your ... including Polar Elixir sensor fusion technology, which delivers unparalleled ...