... 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 1. ... digital camera,keyboard, Mouse, display, U disk,4. USB bus power Supply ,No external power supply required5. Truly plug ...