... 3.Support OEM,VCOM brand(own brand) wholesale Specifications:USB HUB with memo clip Customize logo imprint LED light ... digital camera, digital vidicon, optical mouse,Keyboard, USB flash disk,etc.Supports up to 127 USB devicesTruly plug & play and hot swapping ... power Supply ,No external power supply requiredSingle chip integrated USB HUB controller with embedded proprietary processorEasy for use and ...