So I bought this for my Samsung Galaxy S2 because I wanted to see pictures and videos that I take of my kids on our TV in the living room, I placed the order and it arrived very quickly (considering I've got an APO address). However when I plugged it in it didn't work and I was a bit disappointed because it's troublesome for us to send stuff back. But after getting an e-mail from the vendor (Elmenos) I was given some troubleshooting tips to try out and after trying everything it still didn't work, so the vendor sent me a replacement which arrived unexpectedly. I plugged it in and it worked perfectly, it seems that I had just gotten either a bad part or perhaps it got damaged during shipment either way I am glad that it works. I'd also like to say that it was pretty darn cool for the vendor to follow thru by sending a replacement, that shows integrity.
So all in all the product works great, just remember to plug the charging cable on the side of the adapter to provide enough power for it to work.