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) date chansfer fee
4) Work with USB bus power or external power adapter
5) Really play & plug
6) No need driver
7) Compact and streamline design on its shape