Physical Fitness: Terahertz contains a variety of trace-elements needed by the human body. Long term wear can physical fitness and allow you to have a good body. Elastic: elastic thread it is guaranteed-that terahertz bracelet will not break easily when worn on the hand and the bracelet is sturdy and . Good Thermal Conductivity: Terahertz has good thermal conductivity and specific heat characteristics and the temperature can be raised and lowered-immediately with a small amount of energy. Ingredient : The terahertz bracelet uses natural which will not cause harm to your-health even if it is worn for a long-time so you can use bracelet with confidence. Concealed Rope: The elastic rope of the terahertz bracelet is concealed in the bead hole which ensures a surfaces and makes the bracelet look more simple and beautiful.