Extend 4 USB 3.0 ports
USB HUB with charging function, total output power：DC5V/2A(10Wh)
Fast speed charging port，reach to DC5V/2.0A With DC5V/2A adapter,supports 4 hard disks at the same time;
USB 3.0 high speed transfer，5Gbps, compatible USB 2.0
No driver needed,pluy and pluy，
OS：Windows XP/Vista/7/8 or higher Mac OS 10.9 or higher
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