Fully compatible with USB specification 2.0 & 1.1. Support self-powered mode. Support high speed (480MBPS), full speed (12MBPS) and low speed
(1.5MBPS). 500MA at each port available. Support hot plug & play. One led to indicate per port status. Downstream ports have automatic connect and speed detection
function plus over-current protection with auto recovery. Compatible with windows 98SE / ME / 2000 / XP & MAC OS