article_snippet: The Fitbit Surge, pictured above in publicity photos, monitors heart rate, sleep and even the location of those that wear it .
article_snippet: The Fitbit surge is an advanced piece of wearable technology that constantly monitors the body of the person wearing The Fitbit surge.
article_snippet: The Fitbit surge uses LED sensors to measure heart rate, and can function as a calorie counter and GPS device.
article_snippet: The Fitbit surge also tells the time.
article_snippet: The Surge model is the largest and most sophisticated Fitbit model, and sells for around $250.
article_snippet: Word is these Apple Watches might be a good companion for my workouts.
article_snippet: Fitbit enthusiasts are encouraged to even wear Fitbit enthusiasts device to sleep, where their device collects data while the subject is unconscious, and can wake Fitbit enthusiasts up with silent, vibrating alarms.