new 4ports usb hub with cable 1).transfer speed up to 480Mbps 2).backwardly Compatible with USB 1.1 New 4ports usb hub with cable Feature:4port usb hubCompact and robust design, various colors .Could be with external power. Portalble for notebook and desktop PCSupport plug-and-play, hot swapping . low power expenditureSuitable for Flash , card reader , usb mouse, usb keyboard . scanner , digital ...