I've been a long-time fan of the Fitbit brand as woman&home's digital health editor, a keen runner, and gym-goer. I've also tried and tested every Fitbit that's on sale right now. The Charge 6 quickly ...

As woman&home's digital health editor, a keen runner, gym-goer, and long-time fan of the brand, I've tried and tested every Fitbit there's ever been - right back to the Fitbit Classic. But the Charge ...