1,USB 2.0 hi speed
2,Reader and Writer Support : Compact Flash Card 1/Compact Flash Card 2 /

   Micro Drive / Smart Media Card/Multimedia Card1/Multimedia Card 2/ 
   RS-MMC/ Secure Digital Card/Mini SD Card/XD-Picture/Memory
   Stick Card/Memory Stick PRO Card/Memory Stick DUO Card/Memory Stick PRO
   DUO Card/Magic Gate Card/Magic Gate Duo Card
3,LED working indicator light

4,Add 3 Hi-speed USB ports to your notebook or PC
   Active Powered to support all USB devices
   POWER: Bus power (DC 5 V.500mA); Over current protection function
5,Sockets: Memory cards Socket x 4USB Port x 3
6,When the connected device's power is over 0.5 wait , the HUB needs an external
   power adapter of DC5V 1A to run it
7,Support WIN98se/ME/2000/XP/Vista   Mac os V9.2 or higher

8, Size:8.5*7.0*1.5 cm