MiPow TOPP USB Hub is a compact portable USB hub with 4 USB output support data sync of 4 mobile devices at the same time. It is compatible with most operating systems such as Linux (kernel 2.4 and above) / Windows XP / Vista / 7 / 8 and MacOS. Similarly, the USB port enables compatibility with most devices including smartphones, tablets and game consoles via their original charging cable. The embedded LED indicator signposts the operating status of the charger.