... to 480Mbps 2).backwardly Compatible with USB 1.1 New 4ports usb hub with cable Feature:4port usb hubCompact and robust design, various ... expenditureSuitable for Flash , card reader , usb mouse, usb keyboard . scanner , digital camera and vidicon , usb sound card , HDD enclosure ext.Extend ... of each port is 500ma.Adopt the second generation usb hub controller and no driver is requried.Support no ...