Wireless Presenter, Doosl Wireless Presenter, RF 2.4GHz Powerpoint Clicker Presentation Remote Control Pen. Wireless Presenter, it is equipped with top-grade microchip, up to 100 meters wireless range. Operating on 2.4G RF frequency, it is an ISM free frequency and can be used world-wide. It is made of nickel plating metal dome and silicone keypad, brings you comfortable touch feeling. Comes with auto standby and deep sleep functions for energy-saving and durable use, and equipped with a separate switch and effectively avoids unwanted power consumption when you put it in your bag. Support hyperlinks. With the red pointer gets the whole room focused on your most important points. It also combines more functions of page up, page down, play slides, black screen for PowerPoint presentation. The mini USB receiver supports plug and play technology. No driver is required. Operation system: Windows 2003, XP, Windows Vista, Windows 7, Windows 8, Mac OS, Linux. Built-in docking bay stores USB receiver for easy pack up and portability, and ONE USB receiver can be controlled by SIX transmitters simultaneously.