Meet the ARENA fitness trainer: a smart workout device the size of a suitcase that can be used as a step box or bench for hundreds of moves. It can be controlled from your smartphone and has a self-adjusting resistance.
More gadgets like this ➡️ : here
ARENA measures 36″ x 23.5″ x 9.5″, weighing 38lbs. It has 12 points of pick up on the sides and bottom. This exercise tool takes into account your Impact Score to help you train smarter.
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