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This is a bracelet designed for the smokers. It can be worn on the users wrist. It is made of nano-material which can be sensitive to the smoke concentration. When the smoke is becoming thicker, the color of the nano-material will become darker. Many smokers often smoke many cigarettes unconsciously. The continuity of smoking is very detrimental to their health, and also easier for them to become disgusted by the people around them. Smoking can remind them they have smoke too much. When the smokers see the dark color, they will know they should stop.
Besides, its style is very fashionable, nonsmokers can also use it as an ornament.
Mechanical Design and Theory
Rm 1009 No.2 Ln 300
Jin Yang Jing Su