... ; page up and page down; laser pointer function; Wireless presenter mouse H2640Function:1) Laser pointer function,Page up / down function.2 ... plug and play, no driver requested 6) Fixed focus, dot shape facula, continuous output and working time over 5,000 hours ... , Excel, PowerPoint, ACDSee, Website, Acrobat Reader files 9)Wireless optical mouse 10)2.4GHz Fast RF 11) Output wavelength: 650nm, Output ...