... office use.Product Features:Tiny in size, powerful in function 2.4G Wireless Keyboard & Mouse (Left button, Right button and ... Projector, etc. Ideal for entertainment, conference, lecture, presentation etc. 2.4G Mini Wireless laser Keyboard with Mouse Trackball Main Description:This ... use.Product Features:Tiny in size, powerful in function 2.4G Wireless Keyboard & Mouse (Left button, Right button and ...