Terahertz waves are expected to have a wide range of effects on improving health, including cell activation, promotion of metabolism, tissue repair and regeneration, improved immunity, improved blood circulation, improvement of cold sensitivity and swelling, fatigue recovery, and improvement of skin luster and firmness. This is a bracelet with beautifully cut terahertz stones. It's a popular bracelet that allows you to improve your health while also being fashionable. One onyx stone, which also has the effect of warding off evil, is included as a highlight.