Like the last two reviewers, the item I received mostly didn't work. It was difficult to establish a connection and the slightest movement of the cable led to the screen going blank again. Unfortunately I managed to ruin the connector by messing with it, following a hint elsewhere that the plastic covering was preventing the business end going fully into the socket. In fact this was not the case. I have now replaced it with a mini to normal hdmi cable and a male to female convertor, which is much more bulky but is completely trouble free.
Given all the earlier five-star reviews here, I can only conclude that a faulty batch has gone out this month. Suppliers would do well to test their stock.