One of my friends asked me a question how to choose the color of laser pointer pen. It is a professional question , and the
answer are definitely up to you, you could choose red laser for meeting presentation, you know , the beam of
red laser pointers are so attractive .
And if you just want to buy a toy for your pet, I
suggest you to buy a
blue laser pointer,
the beam of blue laser are relatively soft, and sometimes, it could make your manic pet calm down. The orange are seldom
used into the business occasion, if you are running a bar, choose the orange one; you know the color of it always make
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