Inateck 7- USB 3.0 hub port for Macbook External power, aluminum shell, Hub style I received the identical product its material and look very well and good, 7 units USB port with its power cable, USB cable is 150 cm, I was able to connect multiple ports, key, hard drive, or ,,, its very quick and easy work of winning. including some very useful not many Pc came with a USB. USB also works without power supply directly on my PC that I've experienced. by cons attention there is no on / off button as saying on other commentaire..cela changes nothing. Inateck Brand Reference constructive HB7002 here I recommend you is a good product and serious supplier, fast.