Watch-style activity tracker. Inexpensive. Tracks steps, miles, calories expended, and heart rate. Secure, comfortable band. Easy-to-read display. Bluetooth syncing. Good battery preservation techniques. Automatically detects running versus walking....

Wildly inaccurate reports from bicycling. Dated looking dot-matrix display. Doesn't include altimeter or silent wake alarms.

For more fitness recommendations, see "The Best Activity Trackers for Fitness."

Can accurately measure heart rate; easy enough for beginners

Measures only a few metrics; relies on user input to the app for most data

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