A CDE Definition
A rugged, water-resistant wristwatch that includes features such as an alarm, stopwatch, compass, heart rate monitor, tachymeter (rotating bezel for calculating speed), thermometer and tide indicator (for divers). For decades, analog and digital sports watches have been available; however, they have evolved into computer-based smartwatches that offer similar features along with apps that log the wearer's activities and offer personal health-related information. See fitness tracker.
A wrist-worn device that can detect some combination of walking steps, running distance, heart rate, sleep patterns and swimming laps. Fitness bands interact via Bluetooth with an app in a mobile device that configures the device and downloads the wearer's activity data. Most smartwatches support some number of physical actions via a health app; however, dedicated trackers tend to monitor more functions. See smartwatch.
The Fitbit Surge
A Lot of Trackers
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