I wore both fitness trackers for months to find out what each gets right, and the deal-breakers that get in the way.
As a certified personal trainer, I tested 16 wearables while training, running and swimming. Here are the best fitness ...
Tech Xplore on MSN
Tiny battery-free tags turn radio waves into a new way to track breathing at home and in hospitals
The same wireless technology that can track your cat or locate an item in a warehouse can also monitor your breathing.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results