Provides 4 additional USB 2.0 ports to existing USB systems. Four independent, fully functional, 480 Mbps, downstream ports. Fully compliant with the USB 2.0 specification. Backward compatible with USB 1.1. Supports transfer rates of 1.5 / 12 /480 Mbps. Per Port Overcurrent Protection. Compact design,easy to store at any where. OS Compatibility:WIN98、WIN ME、WIN 2K、WIN 2003、WIN XP and Mac OS 8.6/9/10.
