... PPT Software and Media Player 3.Trackball Mouse 4.Hotkeys 5.Custom logo USB PresenterDescriptions: ... laser pointer, a optical mouse, a PC remote and a multimedia keyboard.It comes with a transmitter ... the functions of laser pointer, a optical mouse and keyboard hotkeys etc. Easy to use: It is ... any key is pressed.Functions: Laser pointer, Trackball mouse, Desktop/My computer, Close/E-mail, Internet/ ...