This is the NET PLAYZ Combat Force Tracker: a smart gadget that attaches to the bottom of your punching bag and makes your data available on your phone. Simply download the XForce Tracker app, and you are set. This gadget doesn’t require you to wear anything. It calculates striking power, speed, and endurance.
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The app has a global leaderboard to help you stay motivated. It stores your 10 latest results.
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