Laser pen can micro ? | #yellow laser ..

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Laser pen can "micro" ? | #yellow laser pointer # red laser pointer # Green laser pointer # blue laser pointer

Laser pen can "micro" ?

Laser pen can "micro" ?

Laser pen with a simple, convenient and affordable, in addition to help you lighting, self-defense, tour guides, it also has other effects. Recently, a netizen broke the news that with a laser pen to see the water in the micro-organisms, a small blue laser pointer as much as the role of it

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