Blue lasers are the highest class and most prestige color of laser, you won't see them very often as they are the hardest and most expensive to obtain but when used correctly they can give off a laser show that precedes anything imaginable. They have a dark deep blue color to them yet are still the second most visible and bright after green. They make the perfect laser for pretty much any situation with their intimate side as well as club side. They are great stand alone as well can go with pretty much anything, when teamed up with green it's an unstoppable force.
