Moov is fitness tracker that pairs with your mobile device and syncs data when in range, but also stores data if you're not (a huge advantage) and similar to Polar, Suunto, and Sensoria's units.
Moov HR is their latest addition to the fitness tracking and virtual training category that states it's the first intense heart rate tracking program that responds to your heart rate output and encourages you or cautions you. Apparently pro sports teams are using this system to monitor workloads, workouts, and stats. You can either get the HR chest strap (HR Burn) or head band (HR Sweat).
According to their in-house field testing of the accuracy of their headband heart-rate monitor system it is very comparable to an actual EKG
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