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The first GPS-connected route was recorded at 2.64km, while the run sans smartphone came up at 2.65km. The real surprise was the margin of error between the results. I took the Charge 2 for a number of test runs, including running the same route back-to-back – once with connected GPS and once without. GPS information will automatically get pulled in. Just start running and it will track in the background, or use the Charge 2 to manually start the run if you want running metrics on the display. You don’t need to trigger the run from the app, either. There’s also no built-in GPS, but if you do go for a run with your smartphone paired, the Charge 2 can use connected GPS for tracking distance and routes.
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Without the waterproofing seen on the new Flex 2, swimming is a no-go – which is a shame. Otherwise, you can trigger these from the button on the side. The Charge 2 can begin automatically tracking selected sports and exercises such as hiking, cycling and, of course, running. Slightly disappointingly, it isn’t a smart alarm that can wake you up at a more optimal time.
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