Create your own energy to power your life with the PULSE Jump Rope by Uncharted Play. Inside this unique toy is a rechargeable lithium ion battery for emergencies. In addition to providing you with an all over workout, your expelled energy actually charges the built in battery. The PULSE Jump Rope can then give power to your smartphone, tablet, and even your laptop. With each rotation of the rope up and over your body, small motors located in the handles turn to give the battery power. Just 15 minutes of jumping rope with the PULSE Jump Rope will give you two hours of power to light up a lamp (as well as a fit body!). For each PULSE Jump Rope purchased, another will be sent to a child in the developing world.