This GPS tracker is just the first part of this build, known as the air station. It uses a few tricks in order to get up to 30 days of use out of a single coin cell battery. First, it is extremely ...

The best cheap fitness ... on your fitness tracker is different depending on which device you're using. Many offer always-on heart rate tracking, and some have built-in GPS, which makes them ...

A new Sony GPS chip will keep your battery life efficient while offering superior tracking features wherever you are. If you're looking for a high quality fitness tracker with a bunch of extra ...