* Extended four USB ports， each supply up to 500mA 

* No external power supply， easy to use 

* No driver， plug and play， hot swappable 

* Built-in current overload and short circuit protection device 

* Support USB 1.0/1.1， fully compatible with USB2.0， speed up to 12Mbps 

* 80CM long USB extension cable 

* System support: Win7/Win95 OSR2/98SE/ME/2000/XP， Linux2.4 and MAC OS8.5 or later 

 

* Power requirements can not use large external devices， such as mobile hard disk 

The new design， more and more avant-garde fashion. High-speed USB 2.0 4PORT HUB， design is very beautiful， bright and lovely. This product is compact， easy to carry.