The Most Useful Tech Gadgets on Amazon Under $50
27 Tech Gadgets on Amazon That You Never Knew You Needed — All Under $50
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Improve your cardio with the Digital Weighted Handle Jump Rope with Calorie Counter ($25). You can track your time, calories burned, and rotations and adjust the weight. You can even jump rope without the long rope! It has a cordless mode, where you can get a workout without the tangling.