... .1/2.0 version New Arrival Mikey mouse USB Hubs Features:1.7port USB HUB 2.Slim size,easy for carry 3 ... transfer rate 1.5/12/480Mbps3) Supports up to 127 USB devices4) Extensively compatible with scanner, digital camera, digital vidicon, Optical ... proprietary processor6) 7ports, and power up to 500mA each port7) USB bus power Supply ,No external power supply required8) Truly plug & play ...