Best Fitbit Ionic bands 2020: Smarten up your smartwatch

The Fitbit Ionic was Fitbit's first smartwatch and still remains the company's flagship wearable and its only wearable to have built-in GPS. That means it's a great sporty companion for outdoor workouts. But you don't always want it to look quite so sporty, and that's where a replacement band will come in. Thankfully, like Fitbit's…