Heart Rate Monitors

Review: Polar M400 GPS Running Watch

There are a few companies that really dominate the GPS watch industry. Polar is one of them. The M400 GPS Sport Watch and Activity Tracker is one of Polar’s most sophisticated designs. Despite this, the M400 does come with a hefty price tag. We ...

Review: Polar H7 Bluetooth Smart Heart Rate Sensor

A typical fitness tracker is good enough for most people. If you’re really trying to improve your athletic performance, though, you need a heart rate sensor that can measure how hard you’re working. That’s when it’s time for you to invest in a ...