... Indication 3.USB2.0 HUB with 4 port 4.CE,ROHS patent pending2GB available capacities USB ... . 4 ports and power up to 500mA each port4. Extensively compatible with scanner, digital camera, digital vidicon, optical mouse, ... Mac OS 8.6 and above, Linux 2.4.X * 4port compact USB2.0 hub is the ... connecting USB 1.1or 2.0 perpherals such as USB mouse, scanner, digital camera, digital vidicon, audio-system, ...