butterfly USB hub 4 USB ports,480Mbps,delicate shape Excellent workmanship,USB 2.0port Useful in kinds of usb equipments butterfly USB hub1 ... injection.2.Product is suitable for USB flash drives, card readers, USB mouse, USB keyboards and scanners, digital cameras, ... supply less than 500 Ma.3.With Second USB HUB controller, no driver or plug support the swap ... number of colors and LOGO butterfly USB hub