... equipments butterfly USB hub 1.Classic butterfly shape design, small and beautiful, ABS plastic casing, Customers can choose injection. 2. ... suitable for USB flash drives, card readers, USB mouse, USB keyboards and scanners, digital cameras, digital cameras, USB card, the hard disk ... USB1.1 . 5.Operating Systems : Win95 osR298SE2000XP, Linux2.4 and Mac os8.5, VISTA version. 6.Transfer Rate : The rate ...