Delivers INSTEAD of only 3.5V 5V. The proposal of the pleading is to refund me only 470 of gold to return the product In order to pay the return postage fee. Once again device was probably built in RPC Without Any quality control ... Finally I Decided to return the product. Then the begging pretended not to-have received it and refused to refund: I have no way to Prove My Good faith, so I can only express here the deplorable attitude of the shoulds-have-been begging Who Focused more customer for only 10 ...