So you can’t stay cool enough outside? The iCoolPack backpack might be able to help. It is an app-enabled backpack with 3 cooling fans that helps you stay cool. It comes with 3 ports to charge your phone or tablet and a 15600 mAh battery. The backpack is rain and waterproof.
iCoolPack has a USB Type-C charging port. You can set timer and control fans settings from your phone. Ships in 2017.