1.Compliant with Universal Serial Bus Specification Revision 2.0
2.All downstream facing ports can handle high-speed (480Mbps),full-speed (12Mbps),   and   low-speed (1.5Mbps) transaction.
3.Support Plug & Play and Hot Swappable capability.
4.Equipped with over-current Detection & Protection.
5.Connects up to 127 USB devices.
6.Root Hub with 4 downstream facing portswhich are shared by OHCI & EHCI Host Controller core.
7.1 upstream port & 4 downstream ports
8.Led status indicators