4port usb hub Transfer: USB1.1/USB2.0 CE,ROHS,FCC standard business type:factory Feature:4port usb hubFriendly and ergonomic design, more colour, Plug and Play installation. Complicant with Bluetooth Card reader, USB mouse, USB Keyboard, Scanner, Digital camera USB audio card , Hard disk ect. Provide up to 500ma per port. Supports up to 127Hi-Speed devices.Transfer face: USB2.0/USB1.1Operating ...