... 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 ... ,keyboard, Mouse, display, U disk,4. USB bus power Supply ,No external power supply required5 ... both the mobile and desktop user.The hub works perfectly without external power, a compact ...