Your Apple Watch is tracking dozens of metrics around the clock – but we've picked the ones that you actually need to pay ...

The Coros Pace 4 is light, reliable, packed with tracking features and lasts up to 19 days on a single charge. The best part? It is surprisingly affordable.

Overview: Fitness tracking devices are available across the price range, from budget-friendly to high-end options, all of them featuring multiday battery backup ...