Patent pending Graphene-enhanced insole generator. As you walk on it it creates electricity.
One of the worst and sometimes most frightening things of today is seeing the low power warning on your phone, especially when hiking. Battery packs are clunky, we forget to charge them, and they’re terrible for the environment. The personal genostep is made from recyclable/renewable materials, with the aid of the wonder material graphene it allows for approximately 3 amp-hour charging, and all you have to do is slip it in your shoe, plug in your phone, and walk around.