We like the Fitbit Charge 6 because it's super comfortable, offers up to seven days of battery life, and has all the health features you'd expect in a fitness tracker. It's a solid buy at its retail price of $160,

The Charge 6 has a few things going for it. With the new model, Fitbit added a more accurate heart rate sensor, the ability to pair with exercise machines over Bluetooth and a physical side button to aid with menu navigation.