How to tell you that I got scammed if not through this comment. Thinking of buying a big fan, here in my hands, with a ridiculous weight but also a size ... tiny. Even my tablet is greater! And for a 17 "notebook, I find myself comfortable. So I made with 3/4 months, before finally, one of two loose wheels, pushed by the guard hood, which laché. A Chinese product by excellence, cheap, but not economical. Result, 4 months later, I already bought another fan!