Fully compatible with USB 2.0 & USB 1.1-Support transfer rate of 1.5/12/480 Mbps-500mA each port is reliable at up to 15 feet of transmission -Support self-powered mode, hot plug & play-One LED to indicate the hub is ready -Blue LED to indicate per port status -Downstream ports have automatic connect, speed detection, over-current protection and auto recovery -Compatible with Windows 98SE/ME/2000/XP & Mac OS X
UH-204D , USB2.0 Aluminum 4port Hub