They charge fast. The back strap is a little low on the heel, but I think that is the design. And hanging shoes is great when they are wet; the air circulates better and dries them in no time. Some soles are. I might have just gotten a crap pair or they could just be cheap slippers. Semble robuste, taille conforme, léger, facile à monter. During the process of checking for continuity and looking things over, I could see one of the hot wire connections going into the circuit bored had insulation that looked slightly melted. I put one in the bathroom for lady things, and one in the laundry room for dryer sheets and trash bags. You can pause and resume without touching your phone. Blah!