... 3.Fast delivery time 4.Reasonable price USB hub,car wheel shape, mini usb hub1) 4 usb ports, each port can provide electric current up ... usb hub controller. 3) No driver required, really plug and play. 4) Support usb2.0 & usb1.1, the speed up to 480Mbps 5 ... ) Wide used for USB devices ,such as U-disk, SD card,USB mouse,keyboard,MP3, MP4, digital ...