... compatible USB1.1 Optional colors,USB hub speed can up to 480Mbps 4 port USB hub 1.Providing USB 4 interface, USB2 ... input device, and so on.3.With Second USB HUB controller, no driver or plug support the swap, supports up to 127 ... interesting, ABS materials, light use. 9.USB plug and play, no need for external power. 10.OEM available, you can print ...