1. wireless presenter 2. laser pointer function 3. Page up/down 4.Radio Frequency Technology 5. Mouse function 1. Wireless Presenter Mouse 2. Page up and down 3. PowerPoint display.4. Blank screen.5. Built-in flash memory ( optional ).6. USB plug-and-play. No driver required.7. System: WINDOWS98/2000/ME/XP Linux & Mac OS.8. Technology: Radio Frequency.9. Control distance: up to 20m10. Working ...