4 Ports Mini Usb 2.0 Usb Port 1.ROHS,CE , FCC 2.Oem 3.Customized Package 4.Low price 4 Ports Mini Usb 2.0 Usb Port Specification:1. USB2.0 HUB 2.Support data transfer rate 1.5/12/480Mbps3. Extensively compatible with scanner, digital camera,keyboard, Mouse, display, U disk,4. USB bus power Supply ,No external power supply required5. Truly plug & play and hot swapping capability6.Full data ...