After receiving the EZCAST dongle, the complete absence of information on the box does not in any case to check the compliance of the order. (From China !!!) I ordered the version "Shares CPU (600MHz / 1GHz)" and the version (ARM Cortex A9 Single Core) .It is impossible to differentiate between the two products (same packaging, same aspects, the two products are identical, even the performances are identical). After my request for a refund, the seller asked me to send me a new product, and I sent him a photo of the product received (to see if he did send the right product). (I recall that one has a 7 day right of withdrawal). This provider is independent from Amazon, if you have any problems, forget the refund, and return the product postage included (I do not mean the price of postage for returning the product in china). PS: Since I bought this "trick" the price has continued to decline as result I am doubly disappointed. There are sites that sell the same thing on the net for a little more expensive (but at least one is sure what quon buy, I advice you). Seller and product to avoid!.