... keyboard and mouse: 1.Patent NO.:201030576576.5 and 201030576553.4 2.CE and RoHS 3.Factory direct price manufacturing keyboard and mouse:keyboard Type: Wired Application: desktop, notebook Keyboard ... . Item: 3D Optical Mouse patent NO.:201030576553.4Colors: black, red, green, sapphire blue, pink, white, yellow, orangeBrand: IndependentPlug and Play: SupportAnd Computer Connection ...