... color is available 4.Perfect quality,fast delivery 2.0 usb hub 1) Fully compliant with the universal Serial ... single +5V operating voltage, resulting in reduced overall system cost.5) Runs at 12MHz frequency6) Driverless, hot plug and play7 ... XP,2000,ME,NT,98,95, Linux 2.4 and Mac OS 8.5 or higher8) Item size: 141*35* ... 18cm Packing details:100pcs/ctn,Carton size:45.5*44.5*35cmN.W.:7.0KGSG.W.:8.0KGS