4 Port USB HUB
1)Extent your USB port (4usb port).Connect any USB devices via USB ports
2)Compliant with USB2.0 and backward compliant with USB1.1 standard
3)Support high-speed (480Mbps)and full-speed (12Mbps) data transfer
4)Work with USB bus power or external power adapter
5)Really play & plug
6)No need drive
7)Compact and streamline design on its shape
Support Windows 7