These three cables, cutest also allow you to charge your phone but less quickly than the original Samsung charger. And the connection is sometimes very difficult, without mobilizing the phone or the cable provided, charging stops unexpectedly. But very big problem, they do not allow the transfer of data: the computer does not recognize the phone via these cables which unusable. Considering the price, almost cheaper than the cost of transportation, I will not return. But do not buy them.