1.USB 4-Ports Hub 1.1/2.0 version                                  
2. USB hub powered and no external adapter is required.
3.Plug-and-Play,Driver is not required.                    
4.Support Window 98/2000/XP/Window 7                       
5. Wide used for external storage devices,Scanners,
Printers,DVD Drives.CD-RM Drives,Digital Cameras/Camcorder                                                       
6.CE and Rohs compliance, ideal for gifts or as promotional items.