Free sample micro usb hub combo card reader driver 1.ROHS,CE , FCC 2.OEM 3.Customized Package 4. ... High speed Free sample micro usb hub combo card reader driver Specification:1. USB2.0 HUB 2.Support data transfer rate ... scanner, digital camera,keyboard, Mouse, display, U disk,4. USB bus power Supply ,No external power supply required5. Truly plug & play ...