... CE&ROHS 4.professional manufacturer 5.OEM USB HUB USB HUB Feature: 1. USB2.0 ... , optical mouse, Keyboard, USB flash disk,etc.5. Supports up to 127 USB devices6. Truly plug & ... power supply required10. Single chip integrated USB HUB controller with embedded proprietary processor11. Easy ... USB 1.1or 2.0 perpherals such as USB mouse, scanner, digital camera, digital vidicon, audio-system, display, U disk ...