SYBA CL-HUB20126 USB 3.0 4-port Pocket Size Hub, 5Gbps Data Rate, Free AC Adapter and Cable - Black Type: USB Standards: USB 3.0 Ports: 4 x USB 3.0 Type-A Female Ports 1 x USB 3.0 Micro B Female Port 1 x AC adapter Power Input Jack Transfer Rate: 5 Gbps Operating System Supported: Windows 7 32/64 bits Vista 32/64 bits Windows XP 32/64 bits Weight: 0.6 Color: Black Package Contents: USB 3.0 4-port Hub User Manual USB 3.0 Cable (24) AC Power Adapter (45 Cord, 5V)