*Cable-free, direct plug-in, most suitable for notebook PC/PDA pocket PC / Hanheld PC,etc
*Thumb-sized, light-weighted, mobile easy to go with notebook PC/PDA Etc
*LED indicator to check　uplind/downport communication & OCP　status easily
*Compiying with Universal serial Bus (USB) Revistion1.1
*One upstream port (USB-A male)and four downstream port (USB-A female)as standard
Each downstream port with OCD (Over Current Detection and OCP (Over Current Protection) function
*Self-powered mode mimicking (driving+5 VDC total mini,500Ma fron host PC) no external power source needed
*Supporting both full-speed (10M bps)and Low-speed (1.5M bps)
*Working with windows98/2000/me/xp and MAC OS 8.5-(Ibook, powerbood, Imac, G3, G4