4-port USB 3.0 Hub.4 downstream USB type A (female) ports, 1 upstream USB type A (male), support Mac OS, Windows XP/Vista/7/8, Linux, support USB 1.1/2.0/3.0.
7-port USB 2.0 Hub.7 downstream USB type A (female) ports, 1 upstream USB type B, support Mac OS X 10.3 or above, Windows XP/Vista/7/8/10, Linux, support USB 1.1/2.0, fast charge