Because, not being an artist who uses colored pencils, you have no need for a professional set.
Because, not being an artist who uses colored pencils, you have no need for a professional set.
Here, since you don't seem to know what you're talking about, here's a Logitech engineer explaining what DPI is:
Here, since you don't seem to know what you're talking about, here's a Logitech engineer explaining what DPI is: