Don't-Miss Health and Fitness Stories
The UA Band is a part of the UA HealthBox.
It's not the same thing as an Apple Watch or Android Wear, but Fitbit has a reputation for getting fitness right.
Penn lost 100 pounds using Withings products, so he's happy to walk us through the company's most affordable fitness tracker.
These sensor-laden socks and Bluetooth anklet struggle to live up to their $200 price tag.
For the same price of this one-note smart running watch, you could get a Pebble that has a ton more features
Who needs a pedometer? Moves can tell if you're walking, running, biking, at work, at home, or in transit.