The cable can connect - that was all and more you may well not be expected for the price ... Transfer rates are to be found somewhere in the basement and put on a 1000mA battery charger are not more than 300mA in it (a smartphone - only with this cable, is not on the device) +
I am not as the "high end" cable buyers and think rather normal ... "cable is cable". With a micro USB I thought that certainly, but wrong enormously;)