-Fully compliant with the Universal Serial Bus Specification version
1.1. Compatible USB 2.0
-Single chip integrated USB hub controller with embedded proprietary
-Supports four bus-powered/self-powered downstream ports.
-Built-in 3.3v voltage regulator allows single 5V operating voltage,
resulting in reduced overall system cost.
-Runs at 12Mhz frequency
-Driverless, hot plug & play. Blue LED show.
-Support OS: Windows XP, 2000, ME, 98, Linux2.4 and Mac OS8.5 or over
-Allows matching outside power of DC 5V/1000mA