Bang for your buck, the Polar M400 is a fantastic option for anyone looking for a wearable that offers a complete picture of everyday activity and training. If you’re a serious cyclist there are ...

The Polar M400 is a GPS-enabled running and cycling watch that can be paired with a heart rate strap to track your pulse as you exercise. You can also use the M400 as a daily activity tracker to log ...

Dan Graziano is an associate editor for CNET. His work has appeared on BGR, Fox News, Fox Business, and Yahoo News, among other publications. When he isn't tinkering with the latest gadgets and gizmos ...

To run, you need the right pair of shoes on your feet – you won’t go out without them. But there’s another runner’s companion that’s equally essential to your kit. The Polar M400 smart watch combines ...

When people ask me what the best fitness tracker is, I usually respond by asking which activities they do. Those who are counting their steps for the first time and don't adhere to a workout schedule ...

The Polar M400 is the companies' second activity tracking GPS watch, behind the much more costly V800 multisport watch. The M400 is mainly targeted at runners, although it does have a couple of other ...