... .low price for promoting 3.backlight 4-Port USB Hub + Backlighting ClockFUNCTIONS:1.USB 4-Port Hub: 1.1/2.0 hub2.When plug ... USB cable into PC's USB port, LCD background will be ... /2000/XP/Vistar5.Wide used for USB products,such as U-disk, SD card, USB mouse\keyboard,MP3,MP4,digital camera,etc.6 ...