Under Armour - WILLpower™ is based on an algorithm that combines how long you workout, what you did, profile info like gender and weight, and key heart rate measures to give you
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Under Armour39 digital performance monitor claims to measure willpower - BurnTech.TV | Fitness Product Reviews | Fitness Gadgets | Fitness Gear | Fitness Apps
![Under Armour39 digital performance monitor claims to measure willpower - BurnTech.TV | Fitness Product Reviews | Fitness Gadgets | Fitness Gear | Fitness Apps Under Armour39 digital performance monitor claims to measure willpower - BurnTech.TV | Fitness Product Reviews | Fitness Gadgets | Fitness Gear | Fitness Apps](https://www.burntech.tv/wp-content/uploads/2013/05/UA39-5.jpg)