That is a recipe for people killing Zeros as fast as they are able to plug the hubs in, which we do not propose.. or refund or switch. The OTG USB hub is mostly used with the RasPi Zero, that is an workout in creating down to the lowest https://trentonwoesj.blogoxo.com/28469975/5-simple-techniques-for-iogear-2-port-usb-2-0-automatic-printer-switch