Main Description This 2.4G Mini Wireless Keyboard & Mouse & Trackball & Laser Pointer Combo is a fatastic tool ... , Right button and Middle button) & Trackball & 3mW Laser Pointer.Wireless intelligent connection, with wireless operation distance up to 10 meters.Ergonomic layout: QWERTY ... , Projector, etc.Ideal for entertainment, conference, lecture, presentation etc. Economic Wireless Keyboard