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Pro Continuous heart rate tracking
Fitbit Surge has automatic, continuous, wrist based heart rate tracking. Heart rate data is stored at one second intervals during exercise, and at five second intervals during non-exercise activities.
Pro Battery lasts 5-7 days
Pro LCD screen that can display multiple stats
Similar devices depend on Bluetooth in order to relay info to a smartphone - Fitbit Surge can display information locally.
Pro Lets users log meals by voice
Users can tell Surge what was eaten, and a database will be used to match the entry with nutritional information.
Pro Easy to operate
While Surge easily syncs with iOS, Android, and Windows phones, it does not depend on them for functionality. The touch screen and physical buttons are a huge step up from display-less models.
Con The most expensive Fitbit yet
"You get what you pay for" - while this is the most advanced Fitbit, it is also the most expensive.
Con Might cause skin irritation for some
A number of people are reporting the fitness trackers causes skin irritation. According to the company it's a very small percentage of customers.
Con Screen prone to inadvertent touches
It's really easy to accidentally brush up against the watch and end up on screens that the user wasn't intending to navigate to, forcing to swipe back to the clock if checking the time.