New type of football using induction coil technology
Football, I believe we are very familiar with the times, the development of the times is more and more can not imagine, a new type of football can be converted into electricity for other power, it's all thanks to the induction coil this guy. It is understood that the new type of football is not only waterproof, but also very durable, do not need to inflate, than in the past is not more simple and convenient. One of the powerful things that he has in his own advantage is that it uses induction coil technology, when the ball rolls, the built-in metal coil magnetic iron core will be the kinetic energy into electric energy.
