... camera, digital vidicon, optical mouse,Keyboard, USB flash disk,etc.Supports up to 127 USB devicesTruly plug & play and hot swapping ... Supply ,No external power supply requiredSingle chip integrated USB HUB controller with embedded proprietary processorEasy for use and ... 2.0 perpherals such as USB mouse, scanner, digitalcamera, digital vidicon, audio-system, display, U disk,etc * CE and Rohs ...