DinoFire Wireless Presenter, RF 2.4GHz PowerPoint Clicker Presentation Presenter Remote Control USB Laser Pointer Slideshow clicker buttons: red light, page down (long press black screen/exit black screen), page up (long press full screen/exit full screen), on/off switch A bright red light thats easy to see against most backgrounds; Wireless range of powerpoint presenter up to 98-foot , free to move around the room Wireless presentation presenter supports MS Word, Excel, PowerPoint, ACD See, website, iWork (Keynote & Numbers & Pages) Google Slides Support options: Windows 2003, XP, Windows Vista, Windows7, Windows 8 (above), Mac OS (For MacBook on OS, plug the usb receiver into laptop, it will come out a box, and then you can select 101or104 option), Linux, Android (On Android, Linux, Mac OS system, it may support only light and page flip function) Presentation pointer has Low power indicate; One-piece design, mini USB receiver stored in wireless transmitter tail which it stays secured into place with a magnet system; No hassle setup, simply plug into your computer's USB port