SpeciFIcation:
Model  GC0012B  
Input Interface  USB3.0 BF  
Outup Interface  4-Port USB 3.0 A type  
Led Indication  Red(Power) Green(Working LED)  
Operating Environment  Working:0-50oC.Storage:-20-70oC  
System Requirement  Windows Xp/Vista/7/8, Mac OS, Linux  
Dimension  60.4*60.4*20.3(mm)  
Weight  85g  
Marerial  plastic  

Features:
1.   Colorful plastic. Different color available 
2.   Four ports USB3.0, external equipment, plug and play, easy to use
3.   Build-in current protection 
4.   USB3.0 cable supply each port up to 900mA MAX. USB to DC cable can be used as a current enhancement 
5.   Front cover mirror effect. LED Logo 
6.   Support USB3.0 to Sata interface. USB3.0 with high speed up to 5Gbps. Backward with USB2.0 and USB1.1 
7.   Hot-swap
8.   Individual LED indicator of each port
9.   USB3.0 B type female socket as input, insure stable USB3.0 signal. True USB 3.0!