Features:
USB Mouse pad with Micphone with speaker or w/o Micphone , w/o speaker,
1) Fully compliant with the universal serial bus specification version 1.1 and USB 2.0
2) Single chip integrated USB hub controller with embedded proprietary rocessor
3) Supports four bus-powered / self-powered downstream ports
4) Driverless, hot plug and play
5) USB 4 ports for varieties of external USB devices connection demand
6) Driverless (P and P) for Windows XP 2000, 98 SE, Linux 2.4 and Mac OS 8.5
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