Technology has eased our lives from a lot of things, from the creation of computer, to printer, to shower heater, to air conditioner. Nearly every invention has saved us a lot of trouble, making us lazier by the day. But now thanks to Kyung Guk Lee, we can keep ourselves fit and healthy while charging our batteries, with the help of the E-Rope. 20 minutes and a few hundred hops is all it takes to fully charge the batteries. You can charge up to 4 batteries at one time.
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