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which is the new products for your choose, can be choosed by you from white, black, red, yellow color,
which basic funtion as follow:
Patent No. :ZL200630153839.5
Function:Laser pointer, Page up/down, Blank screen, Play slide, Built-in memory optional
Dimension:L=87mm, W=33mm, T=9mm
USB plug-and-play, no driver required.
Operating system:Windows98, Se, Me,2000, XP, Mac os, Linux, Vista