the product itself is very useful for connecting multiple USB ports, me personally it works on my PC 3 of acer brand, Novo netbook, this is very useful because of its very few connectetion PC USB. I am very pleased with this bar with its 7 independent connections, easy to use thanks to its USB / USB cable that you plug into your PC and the other USB / DC5V I took the plug into the socket is Ubs sector the same mark at the Key which is of good quality has allowed me to supply several devices, such as mobile phones, tablets, photo cameras to recharge simultaneously on a single block ,,, it's great and fast for the whole family. I want to clarify that this also function in cars because now they are at least equipped with a USB connection and we could recharge our batteries during our trip for the whole family ... its small blue LED lets see what feature in use I recommend it is very useful in two ways to use a popular time saving. you bousculerez you more each his grip simultaneously. Serious supplier and the products are well packaged and manual in French.
