VIBOTON VB0010 PPT Clicker Presenter with Fly Laser Power point Remote Control Pen Presentations Wireless Trackball Mouse, Enhance Demonstration Experience Wireless presenter, it is equipped with top-grade microchip, up to 100 meters wireless range Comes with auto standby and deep sleep functions for energy-saving and durable use Support hyperlinks. with the red pointer gets the whole room focused on your most important points The mini usb receiver supports plug and play technology Built-in docking bay stores usb receiver for easy pack up and portability, and one usb receiver can be controlled by six transmitters simultaneously