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The 'Next Big Things' in Wearable Tech

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Armour 39 Fitness Belt

A belt that's worn around the chest, this gadget can track your heart rate, your calories burned and according to the makers it can even measure your willpower.

Designed for any sport, it can track you vitals and display them on your cellphone or a purpose-built watch. It retails for $149.99.

Under Armour