... hot key function4) Remote technology: infrared ray technology5) USB plug and play, no driver requested 6) Fixed focus, dot shape facula, continuous ... Word, Excel, PowerPoint, ACDSee, Website, Acrobat Reader files 9)Wireless optical mouse 10)2.4GHz Fast RF 11) Output wavelength: 650nm, Output ... typical value: 25 ,Storage temperature: -20 ~ +50 typical value: 25 Wireless Presenter Mouse H868