"This product is a 4-port USB hub. It acts as a USB cable concentrator and a bridge between PC USB host controller and USB devices. The USB hub has one upstream port and 4 downstream ports. It supports both full speed (12Mbps) and low speed (1.5Mbps) transfers..."
FULL STORY @ CHUNKYHARDWARE (http://www.chunkyhardware.com/reviews.php?op=showcontent&id=19)