... -E001 usb 2.0 hub 1,4 ports USB2.0/1.1, 2,No driver required,plug and play,support ... hot swapping; Item NO: MDTC-E001 4 ports usb 2.0 ... hub Feature Extend 4 USB ports,each supplies power ... downwards; the transfers speed is up to be 480Mbps No driver required,plug and play,support hot swapping; Built ...