... pending2GB available capacities USB HUB 4 port USB HUB 1. USB2.0 HUB with 4 port2.High ... compatible with scanner, digital camera, digital vidicon, optical mouse, Keyboard, USB flash disk,etc.5. Supports up ... 127 USB devices6. Truly plug & play and hot swapping capability7. Full data transfer rate up to ... USB 1.1or 2.0 perpherals such as USB mouse, scanner, digital camera, digital vidicon, audio-system ...