by appearance I had said! very favorable ... and I did not save the packaging confidence Amazon for years ... but there is a but "hub" Daffodi UHBQ2 concentateur 4 ports do USB2hv works not worse ... you put it in your Windows 7 black screen !!! Gift? 5.85 euros lost ... the worst is that Amazon does not provide sales qqs by controls that are wise ... well this time I did not rattle ... but you quickly become credible I recommend !!! strongly HS§ product.