The 77HBA Plus USB Hub from Zebronics compliant to both USB 2.0 and USB 1.1 connectivity providing you ultra-fast data transfer of up to 1.5/12/480 Mbps. The device has 1 upstream and 7 downstream ports allowing you to connect 7 devices at once. The USB Hub supports plug-n-play connectivity which means no separate installation drivers are required. The USB Hub can be powered by either USB Bus or the adaptor that comes included in the package. It also features protection for each and every downstream port.