... technology: Infrared ray technology;2. USB plug and play! Laser pointer& page up/down function; No driver requested;3. Control distance ... Word, Excel, PowerPoint, ACDSee, Website, Acrobat Reader, etc;5. Laser distance: Over 200m6. Mini design! It is very convenient to ... Word, Excel, PowerPoint, ACDSee, Website, Acrobat Reader, etc;5. Laser distance: Over 200m6. Mini design! It is very convenient to ...