Every product that is designed, in addition to affecting the audience with its composition and beauty, must offer new solutions to correct the defects of that product in the past. Mouse design, which is one of the most widely used products in the world of technology today, can have a central cooling system to prevent hand sweating. Less material can be used for more savings ,lower weight and lower costs. We must consider that the design of such products can give a good answer to its production in different materials and colors, a product as minimal and simple as possible with the least cuts and grooves because it has the most contact with the hand to clean it It is easier and creates less space for the accumulation of mass and germs