... 1.high speed 2.high quality and cheap price. Cow-shaped HUBThe new USB-HUB, an interface can turn into four ... .0 1.1 fully compatible1, extension 4 USB interfaces, each supply up to 500MA;2, using the second generation of a ... new control chip USB-HUB3, no external power supply, easy to use4, no drivers, plugged, support hot swap;5 ...