Features - 1 upstream and 4 downstream USB port included - Fully compliant with USB specification version 2.0 - Hot Plug & Play USB Device - Half-transparant design with Blue LED for power Spesifications - Interface : USB 2.0, Compatible with USB 1.1 - Data transfer rate : 1.5Mbps/12Mbps/up to 480Mbps - Bus-Power Limit Current protection : 500mA - 4 port with ON/OFF