The good news is that, ahead of Amazon's October Prime Day sale coming Tuesday, October 8, you can shop a variety of fitness trackers on sale right now. From Fitbit ... (Save $5) Get this slick ...
What are the best fitness trackers? When you think of fitness ... Right now, you can get the Fitbit Charge 4 on sale for $139.89. There's also the Garmin vivoactive 4S, typically listed for ...