The Grit X2 Pro Titan is a top-end fitness watch from Polar, a Finnish company that has been a key developer of heart rate sensor hardware for decades. Polar truly is a household name when it comes to ...

Counting steps has become a universal way for most people to measure their daily activity – probably because it’s simple, ...

Fitness trackers allow you to monitor your heart rate, steps, workout intensity and total active minutes, but in the grand ...